Home / 52,529.40-72,489.18-28,656.54

Finding the Fourth Proportional to 52,529.40, 72,489.18 and 28,656.54

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Solution

The fourth proportional to 52,529.40, 72,489.18 and 28,656.54 is: 39,545.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,529.40 : 72,489.18 = 28,656.54 : x
  2. Step 2: Convert to fraction form
    52,529.40/72,489.18 = 28,656.54/x
  3. Step 3: Cross multiply
    52,529.40x = 72,489.18 × 28,656.54
  4. Step 4: Simplify right side
    52,529.40x = 2,077,289,086.24
  5. Step 5: Solve for x
    x = 2,077,289,086.24/52,529.40
  6. Step 6: Final answer
    x = 39,545.27

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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.