Home / 56,148.29-77,484.75-30,654.66

Finding the Fourth Proportional to 56,148.29, 77,484.75 and 30,654.66

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Solution

The fourth proportional to 56,148.29, 77,484.75 and 30,654.66 is: 42,303.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,148.29 : 77,484.75 = 30,654.66 : x
  2. Step 2: Convert to fraction form
    56,148.29/77,484.75 = 30,654.66/x
  3. Step 3: Cross multiply
    56,148.29x = 77,484.75 × 30,654.66
  4. Step 4: Simplify right side
    56,148.29x = 2,375,268,666.44
  5. Step 5: Solve for x
    x = 2,375,268,666.44/56,148.29
  6. Step 6: Final answer
    x = 42,303.49

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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.