Home / 34,106.87-47,061.23-18,999.15

Finding the Fourth Proportional to 34,106.87, 47,061.23 and 18,999.15

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Solution

The fourth proportional to 34,106.87, 47,061.23 and 18,999.15 is: 26,215.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,106.87 : 47,061.23 = 18,999.15 : x
  2. Step 2: Convert to fraction form
    34,106.87/47,061.23 = 18,999.15/x
  3. Step 3: Cross multiply
    34,106.87x = 47,061.23 × 18,999.15
  4. Step 4: Simplify right side
    34,106.87x = 894,123,272.96
  5. Step 5: Solve for x
    x = 894,123,272.96/34,106.87
  6. Step 6: Final answer
    x = 26,215.35

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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.