Home / 38,219.36-52,740.95-21,224.68

Finding the Fourth Proportional to 38,219.36, 52,740.95 and 21,224.68

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Solution

The fourth proportional to 38,219.36, 52,740.95 and 21,224.68 is: 29,289.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,219.36 : 52,740.95 = 21,224.68 : x
  2. Step 2: Convert to fraction form
    38,219.36/52,740.95 = 21,224.68/x
  3. Step 3: Cross multiply
    38,219.36x = 52,740.95 × 21,224.68
  4. Step 4: Simplify right side
    38,219.36x = 1,119,409,548.67
  5. Step 5: Solve for x
    x = 1,119,409,548.67/38,219.36
  6. Step 6: Final answer
    x = 29,289.07

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.