Home / 29,345.78-40,497.18-16,770.53

Finding the Fourth Proportional to 29,345.78, 40,497.18 and 16,770.53

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Solution

The fourth proportional to 29,345.78, 40,497.18 and 16,770.53 is: 23,143.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,345.78 : 40,497.18 = 16,770.53 : x
  2. Step 2: Convert to fraction form
    29,345.78/40,497.18 = 16,770.53/x
  3. Step 3: Cross multiply
    29,345.78x = 40,497.18 × 16,770.53
  4. Step 4: Simplify right side
    29,345.78x = 679,159,172.11
  5. Step 5: Solve for x
    x = 679,159,172.11/29,345.78
  6. Step 6: Final answer
    x = 23,143.33

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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.