Home / 53,955.10-80,927.52-18,892.90

Finding the Fourth Proportional to 53,955.10, 80,927.52 and 18,892.90

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Solution

The fourth proportional to 53,955.10, 80,927.52 and 18,892.90 is: 28,337.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,955.10 : 80,927.52 = 18,892.90 : x
  2. Step 2: Convert to fraction form
    53,955.10/80,927.52 = 18,892.90/x
  3. Step 3: Cross multiply
    53,955.10x = 80,927.52 × 18,892.90
  4. Step 4: Simplify right side
    53,955.10x = 1,528,955,542.61
  5. Step 5: Solve for x
    x = 1,528,955,542.61/53,955.10
  6. Step 6: Final answer
    x = 28,337.55

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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.