Home / 42,951.02-64,446.84-20,751.93

Finding the Fourth Proportional to 42,951.02, 64,446.84 and 20,751.93

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Solution

The fourth proportional to 42,951.02, 64,446.84 and 20,751.93 is: 31,137.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,951.02 : 64,446.84 = 20,751.93 : x
  2. Step 2: Convert to fraction form
    42,951.02/64,446.84 = 20,751.93/x
  3. Step 3: Cross multiply
    42,951.02x = 64,446.84 × 20,751.93
  4. Step 4: Simplify right side
    42,951.02x = 1,337,396,312.40
  5. Step 5: Solve for x
    x = 1,337,396,312.40/42,951.02
  6. Step 6: Final answer
    x = 31,137.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.