Home / 56,188.91-77,540.45-31,038.41

Finding the Fourth Proportional to 56,188.91, 77,540.45 and 31,038.41

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Solution

The fourth proportional to 56,188.91, 77,540.45 and 31,038.41 is: 42,832.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,188.91 : 77,540.45 = 31,038.41 : x
  2. Step 2: Convert to fraction form
    56,188.91/77,540.45 = 31,038.41/x
  3. Step 3: Cross multiply
    56,188.91x = 77,540.45 × 31,038.41
  4. Step 4: Simplify right side
    56,188.91x = 2,406,731,968.58
  5. Step 5: Solve for x
    x = 2,406,731,968.58/56,188.91
  6. Step 6: Final answer
    x = 42,832.87

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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.