Home / 56,587.28-78,090.05-31,093.91

Finding the Fourth Proportional to 56,587.28, 78,090.05 and 31,093.91

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Solution

The fourth proportional to 56,587.28, 78,090.05 and 31,093.91 is: 42,909.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,587.28 : 78,090.05 = 31,093.91 : x
  2. Step 2: Convert to fraction form
    56,587.28/78,090.05 = 31,093.91/x
  3. Step 3: Cross multiply
    56,587.28x = 78,090.05 × 31,093.91
  4. Step 4: Simplify right side
    56,587.28x = 2,428,124,966.72
  5. Step 5: Solve for x
    x = 2,428,124,966.72/56,587.28
  6. Step 6: Final answer
    x = 42,909.38

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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.