Home / 37,520.38-51,775.95-20,521.23

Finding the Fourth Proportional to 37,520.38, 51,775.95 and 20,521.23

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Solution

The fourth proportional to 37,520.38, 51,775.95 and 20,521.23 is: 28,318.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,520.38 : 51,775.95 = 20,521.23 : x
  2. Step 2: Convert to fraction form
    37,520.38/51,775.95 = 20,521.23/x
  3. Step 3: Cross multiply
    37,520.38x = 51,775.95 × 20,521.23
  4. Step 4: Simplify right side
    37,520.38x = 1,062,506,178.42
  5. Step 5: Solve for x
    x = 1,062,506,178.42/37,520.38
  6. Step 6: Final answer
    x = 28,318.11

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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.