Home / 56,305.16-77,701.13-30,811.53

Finding the Fourth Proportional to 56,305.16, 77,701.13 and 30,811.53

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Solution

The fourth proportional to 56,305.16, 77,701.13 and 30,811.53 is: 42,519.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,305.16 : 77,701.13 = 30,811.53 : x
  2. Step 2: Convert to fraction form
    56,305.16/77,701.13 = 30,811.53/x
  3. Step 3: Cross multiply
    56,305.16x = 77,701.13 × 30,811.53
  4. Step 4: Simplify right side
    56,305.16x = 2,394,091,134.26
  5. Step 5: Solve for x
    x = 2,394,091,134.26/56,305.16
  6. Step 6: Final answer
    x = 42,519.92

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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.