Home / 56,141.85-77,465.39-31,941.40

Finding the Fourth Proportional to 56,141.85, 77,465.39 and 31,941.40

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Solution

The fourth proportional to 56,141.85, 77,465.39 and 31,941.40 is: 44,073.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,141.85 : 77,465.39 = 31,941.40 : x
  2. Step 2: Convert to fraction form
    56,141.85/77,465.39 = 31,941.40/x
  3. Step 3: Cross multiply
    56,141.85x = 77,465.39 × 31,941.40
  4. Step 4: Simplify right side
    56,141.85x = 2,474,353,008.15
  5. Step 5: Solve for x
    x = 2,474,353,008.15/56,141.85
  6. Step 6: Final answer
    x = 44,073.24

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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.