Home / 39,488-59,261.12-18,711.52

Finding the Fourth Proportional to 39,488, 59,261.12 and 18,711.52

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Solution

The fourth proportional to 39,488, 59,261.12 and 18,711.52 is: 28,081.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,488 : 59,261.12 = 18,711.52 : x
  2. Step 2: Convert to fraction form
    39,488/59,261.12 = 18,711.52/x
  3. Step 3: Cross multiply
    39,488x = 59,261.12 × 18,711.52
  4. Step 4: Simplify right side
    39,488x = 1,108,865,632.10
  5. Step 5: Solve for x
    x = 1,108,865,632.10/39,488
  6. Step 6: Final answer
    x = 28,081.08

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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.