Home / 47,685.11-71,547.84-23,980.19

Finding the Fourth Proportional to 47,685.11, 71,547.84 and 23,980.19

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Solution

The fourth proportional to 47,685.11, 71,547.84 and 23,980.19 is: 35,980.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,685.11 : 71,547.84 = 23,980.19 : x
  2. Step 2: Convert to fraction form
    47,685.11/71,547.84 = 23,980.19/x
  3. Step 3: Cross multiply
    47,685.11x = 71,547.84 × 23,980.19
  4. Step 4: Simplify right side
    47,685.11x = 1,715,730,439.55
  5. Step 5: Solve for x
    x = 1,715,730,439.55/47,685.11
  6. Step 6: Final answer
    x = 35,980.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.