Home / 38,519.02-53,157.27-21,752.02

Finding the Fourth Proportional to 38,519.02, 53,157.27 and 21,752.02

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Solution

The fourth proportional to 38,519.02, 53,157.27 and 21,752.02 is: 30,018.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,519.02 : 53,157.27 = 21,752.02 : x
  2. Step 2: Convert to fraction form
    38,519.02/53,157.27 = 21,752.02/x
  3. Step 3: Cross multiply
    38,519.02x = 53,157.27 × 21,752.02
  4. Step 4: Simplify right side
    38,519.02x = 1,156,278,000.19
  5. Step 5: Solve for x
    x = 1,156,278,000.19/38,519.02
  6. Step 6: Final answer
    x = 30,018.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.