Home / 52,212.50-72,045.87-31,000.22

Finding the Fourth Proportional to 52,212.50, 72,045.87 and 31,000.22

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Solution

The fourth proportional to 52,212.50, 72,045.87 and 31,000.22 is: 42,775.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,212.50 : 72,045.87 = 31,000.22 : x
  2. Step 2: Convert to fraction form
    52,212.50/72,045.87 = 31,000.22/x
  3. Step 3: Cross multiply
    52,212.50x = 72,045.87 × 31,000.22
  4. Step 4: Simplify right side
    52,212.50x = 2,233,437,883.96
  5. Step 5: Solve for x
    x = 2,233,437,883.96/52,212.50
  6. Step 6: Final answer
    x = 42,775.92

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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.