Home / 56,116.32-84,117.60-36,407.40

Finding the Fourth Proportional to 56,116.32, 84,117.60 and 36,407.40

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Solution

The fourth proportional to 56,116.32, 84,117.60 and 36,407.40 is: 54,574.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,116.32 : 84,117.60 = 36,407.40 : x
  2. Step 2: Convert to fraction form
    56,116.32/84,117.60 = 36,407.40/x
  3. Step 3: Cross multiply
    56,116.32x = 84,117.60 × 36,407.40
  4. Step 4: Simplify right side
    56,116.32x = 3,062,503,110.24
  5. Step 5: Solve for x
    x = 3,062,503,110.24/56,116.32
  6. Step 6: Final answer
    x = 54,574.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.