Home / 52,261.20-72,122.40-31,043.52

Finding the Fourth Proportional to 52,261.20, 72,122.40 and 31,043.52

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Solution

The fourth proportional to 52,261.20, 72,122.40 and 31,043.52 is: 42,841.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,261.20 : 72,122.40 = 31,043.52 : x
  2. Step 2: Convert to fraction form
    52,261.20/72,122.40 = 31,043.52/x
  3. Step 3: Cross multiply
    52,261.20x = 72,122.40 × 31,043.52
  4. Step 4: Simplify right side
    52,261.20x = 2,238,933,166.85
  5. Step 5: Solve for x
    x = 2,238,933,166.85/52,261.20
  6. Step 6: Final answer
    x = 42,841.21

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1.5x scale

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.