Home / 29,034.15-40,069.45-16,938.35

Finding the Fourth Proportional to 29,034.15, 40,069.45 and 16,938.35

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Solution

The fourth proportional to 29,034.15, 40,069.45 and 16,938.35 is: 23,376.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,034.15 : 40,069.45 = 16,938.35 : x
  2. Step 2: Convert to fraction form
    29,034.15/40,069.45 = 16,938.35/x
  3. Step 3: Cross multiply
    29,034.15x = 40,069.45 × 16,938.35
  4. Step 4: Simplify right side
    29,034.15x = 678,710,339.49
  5. Step 5: Solve for x
    x = 678,710,339.49/29,034.15
  6. Step 6: Final answer
    x = 23,376.28

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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.