Home / 39,157.13-54,036.90-22,390.13

Finding the Fourth Proportional to 39,157.13, 54,036.90 and 22,390.13

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Solution

The fourth proportional to 39,157.13, 54,036.90 and 22,390.13 is: 30,898.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,157.13 : 54,036.90 = 22,390.13 : x
  2. Step 2: Convert to fraction form
    39,157.13/54,036.90 = 22,390.13/x
  3. Step 3: Cross multiply
    39,157.13x = 54,036.90 × 22,390.13
  4. Step 4: Simplify right side
    39,157.13x = 1,209,892,945.61
  5. Step 5: Solve for x
    x = 1,209,892,945.61/39,157.13
  6. Step 6: Final answer
    x = 30,898.41

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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.