Home / 57,265.20-85,897.80-17,834.40

Finding the Fourth Proportional to 57,265.20, 85,897.80 and 17,834.40

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Solution

The fourth proportional to 57,265.20, 85,897.80 and 17,834.40 is: 26,751.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,265.20 : 85,897.80 = 17,834.40 : x
  2. Step 2: Convert to fraction form
    57,265.20/85,897.80 = 17,834.40/x
  3. Step 3: Cross multiply
    57,265.20x = 85,897.80 × 17,834.40
  4. Step 4: Simplify right side
    57,265.20x = 1,531,935,724.32
  5. Step 5: Solve for x
    x = 1,531,935,724.32/57,265.20
  6. Step 6: Final answer
    x = 26,751.60

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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.