Home / 52,477.29-78,701.58-31,400.76

Finding the Fourth Proportional to 52,477.29, 78,701.58 and 31,400.76

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Solution

The fourth proportional to 52,477.29, 78,701.58 and 31,400.76 is: 47,092.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,477.29 : 78,701.58 = 31,400.76 : x
  2. Step 2: Convert to fraction form
    52,477.29/78,701.58 = 31,400.76/x
  3. Step 3: Cross multiply
    52,477.29x = 78,701.58 × 31,400.76
  4. Step 4: Simplify right side
    52,477.29x = 2,471,289,425.20
  5. Step 5: Solve for x
    x = 2,471,289,425.20/52,477.29
  6. Step 6: Final answer
    x = 47,092.55

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1.5x scale

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.