Home / 55,188.50-76,160.13-30,038.18

Finding the Fourth Proportional to 55,188.50, 76,160.13 and 30,038.18

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Solution

The fourth proportional to 55,188.50, 76,160.13 and 30,038.18 is: 41,452.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,188.50 : 76,160.13 = 30,038.18 : x
  2. Step 2: Convert to fraction form
    55,188.50/76,160.13 = 30,038.18/x
  3. Step 3: Cross multiply
    55,188.50x = 76,160.13 × 30,038.18
  4. Step 4: Simplify right side
    55,188.50x = 2,287,711,693.76
  5. Step 5: Solve for x
    x = 2,287,711,693.76/55,188.50
  6. Step 6: Final answer
    x = 41,452.69

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1.5x scale

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.