Home / 56,527.11-78,003.50-31,374.63

Finding the Fourth Proportional to 56,527.11, 78,003.50 and 31,374.63

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Solution

The fourth proportional to 56,527.11, 78,003.50 and 31,374.63 is: 43,294.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,527.11 : 78,003.50 = 31,374.63 : x
  2. Step 2: Convert to fraction form
    56,527.11/78,003.50 = 31,374.63/x
  3. Step 3: Cross multiply
    56,527.11x = 78,003.50 × 31,374.63
  4. Step 4: Simplify right side
    56,527.11x = 2,447,330,639.62
  5. Step 5: Solve for x
    x = 2,447,330,639.62/56,527.11
  6. Step 6: Final answer
    x = 43,294.82

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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.