Home / 47,501.10-71,207.10-17,938.80

Finding the Fourth Proportional to 47,501.10, 71,207.10 and 17,938.80

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Solution

The fourth proportional to 47,501.10, 71,207.10 and 17,938.80 is: 26,891.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,501.10 : 71,207.10 = 17,938.80 : x
  2. Step 2: Convert to fraction form
    47,501.10/71,207.10 = 17,938.80/x
  3. Step 3: Cross multiply
    47,501.10x = 71,207.10 × 17,938.80
  4. Step 4: Simplify right side
    47,501.10x = 1,277,369,925.48
  5. Step 5: Solve for x
    x = 1,277,369,925.48/47,501.10
  6. Step 6: Final answer
    x = 26,891.38

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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.