Home / 53,000.16-79,499.90-13,557.20

Finding the Fourth Proportional to 53,000.16, 79,499.90 and 13,557.20

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Solution

The fourth proportional to 53,000.16, 79,499.90 and 13,557.20 is: 20,335.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,000.16 : 79,499.90 = 13,557.20 : x
  2. Step 2: Convert to fraction form
    53,000.16/79,499.90 = 13,557.20/x
  3. Step 3: Cross multiply
    53,000.16x = 79,499.90 × 13,557.20
  4. Step 4: Simplify right side
    53,000.16x = 1,077,796,044.28
  5. Step 5: Solve for x
    x = 1,077,796,044.28/53,000.16
  6. Step 6: Final answer
    x = 20,335.71

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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.