Home / 56,731.84-78,397.84-42,560.08

Finding the Fourth Proportional to 56,731.84, 78,397.84 and 42,560.08

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Solution

The fourth proportional to 56,731.84, 78,397.84 and 42,560.08 is: 58,813.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,731.84 : 78,397.84 = 42,560.08 : x
  2. Step 2: Convert to fraction form
    56,731.84/78,397.84 = 42,560.08/x
  3. Step 3: Cross multiply
    56,731.84x = 78,397.84 × 42,560.08
  4. Step 4: Simplify right side
    56,731.84x = 3,336,618,342.23
  5. Step 5: Solve for x
    x = 3,336,618,342.23/56,731.84
  6. Step 6: Final answer
    x = 58,813.86

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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.