Home / 42,710.86-63,977.01-34,345.63

Finding the Fourth Proportional to 42,710.86, 63,977.01 and 34,345.63

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Solution

The fourth proportional to 42,710.86, 63,977.01 and 34,345.63 is: 51,446.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,710.86 : 63,977.01 = 34,345.63 : x
  2. Step 2: Convert to fraction form
    42,710.86/63,977.01 = 34,345.63/x
  3. Step 3: Cross multiply
    42,710.86x = 63,977.01 × 34,345.63
  4. Step 4: Simplify right side
    42,710.86x = 2,197,330,713.97
  5. Step 5: Solve for x
    x = 2,197,330,713.97/42,710.86
  6. Step 6: Final answer
    x = 51,446.65

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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.