Home / 74,869.22-112,319.97-21,560.84

Finding the Fourth Proportional to 74,869.22, 112,319.97 and 21,560.84

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Solution

The fourth proportional to 74,869.22, 112,319.97 and 21,560.84 is: 32,345.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,869.22 : 112,319.97 = 21,560.84 : x
  2. Step 2: Convert to fraction form
    74,869.22/112,319.97 = 21,560.84/x
  3. Step 3: Cross multiply
    74,869.22x = 112,319.97 × 21,560.84
  4. Step 4: Simplify right side
    74,869.22x = 2,421,712,901.97
  5. Step 5: Solve for x
    x = 2,421,712,901.97/74,869.22
  6. Step 6: Final answer
    x = 32,345.91

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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.