Home / 38,670.07-53,364.67-21,903.07

Finding the Fourth Proportional to 38,670.07, 53,364.67 and 21,903.07

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Solution

The fourth proportional to 38,670.07, 53,364.67 and 21,903.07 is: 30,226.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,670.07 : 53,364.67 = 21,903.07 : x
  2. Step 2: Convert to fraction form
    38,670.07/53,364.67 = 21,903.07/x
  3. Step 3: Cross multiply
    38,670.07x = 53,364.67 × 21,903.07
  4. Step 4: Simplify right side
    38,670.07x = 1,168,850,102.54
  5. Step 5: Solve for x
    x = 1,168,850,102.54/38,670.07
  6. Step 6: Final answer
    x = 30,226.22

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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.