Home / 52,809.92-72,870.76-31,581.44

Finding the Fourth Proportional to 52,809.92, 72,870.76 and 31,581.44

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Solution

The fourth proportional to 52,809.92, 72,870.76 and 31,581.44 is: 43,578.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,809.92 : 72,870.76 = 31,581.44 : x
  2. Step 2: Convert to fraction form
    52,809.92/72,870.76 = 31,581.44/x
  3. Step 3: Cross multiply
    52,809.92x = 72,870.76 × 31,581.44
  4. Step 4: Simplify right side
    52,809.92x = 2,301,363,534.69
  5. Step 5: Solve for x
    x = 2,301,363,534.69/52,809.92
  6. Step 6: Final answer
    x = 43,578.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.