Home / 52,477.30-78,701.56-31,400.76

Finding the Fourth Proportional to 52,477.30, 78,701.56 and 31,400.76

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Solution

The fourth proportional to 52,477.30, 78,701.56 and 31,400.76 is: 47,092.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,477.30 : 78,701.56 = 31,400.76 : x
  2. Step 2: Convert to fraction form
    52,477.30/78,701.56 = 31,400.76/x
  3. Step 3: Cross multiply
    52,477.30x = 78,701.56 × 31,400.76
  4. Step 4: Simplify right side
    52,477.30x = 2,471,288,640.18
  5. Step 5: Solve for x
    x = 2,471,288,640.18/52,477.30
  6. Step 6: Final answer
    x = 47,092.53

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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.