Home / 52,292.50-72,162.40-29,320.79

Finding the Fourth Proportional to 52,292.50, 72,162.40 and 29,320.79

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Solution

The fourth proportional to 52,292.50, 72,162.40 and 29,320.79 is: 40,461.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,292.50 : 72,162.40 = 29,320.79 : x
  2. Step 2: Convert to fraction form
    52,292.50/72,162.40 = 29,320.79/x
  3. Step 3: Cross multiply
    52,292.50x = 72,162.40 × 29,320.79
  4. Step 4: Simplify right side
    52,292.50x = 2,115,858,576.30
  5. Step 5: Solve for x
    x = 2,115,858,576.30/52,292.50
  6. Step 6: Final answer
    x = 40,461.99

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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.