Home / 29,226.47-40,306.02-19,151.21

Finding the Fourth Proportional to 29,226.47, 40,306.02 and 19,151.21

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Solution

The fourth proportional to 29,226.47, 40,306.02 and 19,151.21 is: 26,411.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,226.47 : 40,306.02 = 19,151.21 : x
  2. Step 2: Convert to fraction form
    29,226.47/40,306.02 = 19,151.21/x
  3. Step 3: Cross multiply
    29,226.47x = 40,306.02 × 19,151.21
  4. Step 4: Simplify right side
    29,226.47x = 771,908,851.75
  5. Step 5: Solve for x
    x = 771,908,851.75/29,226.47
  6. Step 6: Final answer
    x = 26,411.30

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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.