Home / 55,188.64-76,160.64-30,038.08

Finding the Fourth Proportional to 55,188.64, 76,160.64 and 30,038.08

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Solution

The fourth proportional to 55,188.64, 76,160.64 and 30,038.08 is: 41,452.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,188.64 : 76,160.64 = 30,038.08 : x
  2. Step 2: Convert to fraction form
    55,188.64/76,160.64 = 30,038.08/x
  3. Step 3: Cross multiply
    55,188.64x = 76,160.64 × 30,038.08
  4. Step 4: Simplify right side
    55,188.64x = 2,287,719,397.17
  5. Step 5: Solve for x
    x = 2,287,719,397.17/55,188.64
  6. Step 6: Final answer
    x = 41,452.72

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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.