Home / 53,260.17-79,890.26-18,200.13

Finding the Fourth Proportional to 53,260.17, 79,890.26 and 18,200.13

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Solution

The fourth proportional to 53,260.17, 79,890.26 and 18,200.13 is: 27,300.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,260.17 : 79,890.26 = 18,200.13 : x
  2. Step 2: Convert to fraction form
    53,260.17/79,890.26 = 18,200.13/x
  3. Step 3: Cross multiply
    53,260.17x = 79,890.26 × 18,200.13
  4. Step 4: Simplify right side
    53,260.17x = 1,454,013,026.73
  5. Step 5: Solve for x
    x = 1,454,013,026.73/53,260.17
  6. Step 6: Final answer
    x = 27,300.20

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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.