Home / 53,335.18-80,002.74-13,892.20

Finding the Fourth Proportional to 53,335.18, 80,002.74 and 13,892.20

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Solution

The fourth proportional to 53,335.18, 80,002.74 and 13,892.20 is: 20,838.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,335.18 : 80,002.74 = 13,892.20 : x
  2. Step 2: Convert to fraction form
    53,335.18/80,002.74 = 13,892.20/x
  3. Step 3: Cross multiply
    53,335.18x = 80,002.74 × 13,892.20
  4. Step 4: Simplify right side
    53,335.18x = 1,111,414,064.63
  5. Step 5: Solve for x
    x = 1,111,414,064.63/53,335.18
  6. Step 6: Final answer
    x = 20,838.29

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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.