Home / 39,148.98-58,716.18-18,088.20

Finding the Fourth Proportional to 39,148.98, 58,716.18 and 18,088.20

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Solution

The fourth proportional to 39,148.98, 58,716.18 and 18,088.20 is: 27,128.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,148.98 : 58,716.18 = 18,088.20 : x
  2. Step 2: Convert to fraction form
    39,148.98/58,716.18 = 18,088.20/x
  3. Step 3: Cross multiply
    39,148.98x = 58,716.18 × 18,088.20
  4. Step 4: Simplify right side
    39,148.98x = 1,062,070,007.08
  5. Step 5: Solve for x
    x = 1,062,070,007.08/39,148.98
  6. Step 6: Final answer
    x = 27,128.93

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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.