Home / 56,437.12-77,891.14-34,933.76

Finding the Fourth Proportional to 56,437.12, 77,891.14 and 34,933.76

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Solution

The fourth proportional to 56,437.12, 77,891.14 and 34,933.76 is: 48,213.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,437.12 : 77,891.14 = 34,933.76 : x
  2. Step 2: Convert to fraction form
    56,437.12/77,891.14 = 34,933.76/x
  3. Step 3: Cross multiply
    56,437.12x = 77,891.14 × 34,933.76
  4. Step 4: Simplify right side
    56,437.12x = 2,721,030,390.89
  5. Step 5: Solve for x
    x = 2,721,030,390.89/56,437.12
  6. Step 6: Final answer
    x = 48,213.49

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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.