Home / 38,374.13-52,955.51-21,378.35

Finding the Fourth Proportional to 38,374.13, 52,955.51 and 21,378.35

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Solution

The fourth proportional to 38,374.13, 52,955.51 and 21,378.35 is: 29,501.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,374.13 : 52,955.51 = 21,378.35 : x
  2. Step 2: Convert to fraction form
    38,374.13/52,955.51 = 21,378.35/x
  3. Step 3: Cross multiply
    38,374.13x = 52,955.51 × 21,378.35
  4. Step 4: Simplify right side
    38,374.13x = 1,132,101,452.71
  5. Step 5: Solve for x
    x = 1,132,101,452.71/38,374.13
  6. Step 6: Final answer
    x = 29,501.68

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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.