Home / 39,897.48-59,854.98-11,819.74

Finding the Fourth Proportional to 39,897.48, 59,854.98 and 11,819.74

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Solution

The fourth proportional to 39,897.48, 59,854.98 and 11,819.74 is: 17,732.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,897.48 : 59,854.98 = 11,819.74 : x
  2. Step 2: Convert to fraction form
    39,897.48/59,854.98 = 11,819.74/x
  3. Step 3: Cross multiply
    39,897.48x = 59,854.98 × 11,819.74
  4. Step 4: Simplify right side
    39,897.48x = 707,470,094.84
  5. Step 5: Solve for x
    x = 707,470,094.84/39,897.48
  6. Step 6: Final answer
    x = 17,732.20

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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.