Home / 39,008.20-58,512.30-15,651.40

Finding the Fourth Proportional to 39,008.20, 58,512.30 and 15,651.40

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Solution

The fourth proportional to 39,008.20, 58,512.30 and 15,651.40 is: 23,477.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,008.20 : 58,512.30 = 15,651.40 : x
  2. Step 2: Convert to fraction form
    39,008.20/58,512.30 = 15,651.40/x
  3. Step 3: Cross multiply
    39,008.20x = 58,512.30 × 15,651.40
  4. Step 4: Simplify right side
    39,008.20x = 915,799,412.22
  5. Step 5: Solve for x
    x = 915,799,412.22/39,008.20
  6. Step 6: Final answer
    x = 23,477.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.