Home / 42,631.74-58,813.12-40,655.34

Finding the Fourth Proportional to 42,631.74, 58,813.12 and 40,655.34

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Solution

The fourth proportional to 42,631.74, 58,813.12 and 40,655.34 is: 56,086.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,631.74 : 58,813.12 = 40,655.34 : x
  2. Step 2: Convert to fraction form
    42,631.74/58,813.12 = 40,655.34/x
  3. Step 3: Cross multiply
    42,631.74x = 58,813.12 × 40,655.34
  4. Step 4: Simplify right side
    42,631.74x = 2,391,067,390.06
  5. Step 5: Solve for x
    x = 2,391,067,390.06/42,631.74
  6. Step 6: Final answer
    x = 56,086.55

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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.