Home / 56,203.11-77,557.98-30,710.35

Finding the Fourth Proportional to 56,203.11, 77,557.98 and 30,710.35

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Solution

The fourth proportional to 56,203.11, 77,557.98 and 30,710.35 is: 42,379.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,203.11 : 77,557.98 = 30,710.35 : x
  2. Step 2: Convert to fraction form
    56,203.11/77,557.98 = 30,710.35/x
  3. Step 3: Cross multiply
    56,203.11x = 77,557.98 × 30,710.35
  4. Step 4: Simplify right side
    56,203.11x = 2,381,832,711.09
  5. Step 5: Solve for x
    x = 2,381,832,711.09/56,203.11
  6. Step 6: Final answer
    x = 42,379.02

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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.