Home / 39,402,002.10-59,103,003.15-21,262,149.30

Finding the Fourth Proportional to 39,402,002.10, 59,103,003.15 and 21,262,149.30

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Solution

The fourth proportional to 39,402,002.10, 59,103,003.15 and 21,262,149.30 is: 31,893,223.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,402,002.10 : 59,103,003.15 = 21,262,149.30 : x
  2. Step 2: Convert to fraction form
    39,402,002.10/59,103,003.15 = 21,262,149.30/x
  3. Step 3: Cross multiply
    39,402,002.10x = 59,103,003.15 × 21,262,149.30
  4. Step 4: Simplify right side
    39,402,002.10x = 1,256,656,877,053,670.25
  5. Step 5: Solve for x
    x = 1,256,656,877,053,670.25/39,402,002.10
  6. Step 6: Final answer
    x = 31,893,223.95

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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.