Home / 56,116.15-84,158.64-15,580.35

Finding the Fourth Proportional to 56,116.15, 84,158.64 and 15,580.35

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Solution

The fourth proportional to 56,116.15, 84,158.64 and 15,580.35 is: 23,366.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,116.15 : 84,158.64 = 15,580.35 : x
  2. Step 2: Convert to fraction form
    56,116.15/84,158.64 = 15,580.35/x
  3. Step 3: Cross multiply
    56,116.15x = 84,158.64 × 15,580.35
  4. Step 4: Simplify right side
    56,116.15x = 1,311,221,066.72
  5. Step 5: Solve for x
    x = 1,311,221,066.72/56,116.15
  6. Step 6: Final answer
    x = 23,366.20

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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.