Home / 53,898.48-80,884.71-18,838.17

Finding the Fourth Proportional to 53,898.48, 80,884.71 and 18,838.17

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Solution

The fourth proportional to 53,898.48, 80,884.71 and 18,838.17 is: 28,270.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,898.48 : 80,884.71 = 18,838.17 : x
  2. Step 2: Convert to fraction form
    53,898.48/80,884.71 = 18,838.17/x
  3. Step 3: Cross multiply
    53,898.48x = 80,884.71 × 18,838.17
  4. Step 4: Simplify right side
    53,898.48x = 1,523,719,917.38
  5. Step 5: Solve for x
    x = 1,523,719,917.38/53,898.48
  6. Step 6: Final answer
    x = 28,270.18

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1.5x scale

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.