Home / 53,217.20-79,854.60-23,639.60

Finding the Fourth Proportional to 53,217.20, 79,854.60 and 23,639.60

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Solution

The fourth proportional to 53,217.20, 79,854.60 and 23,639.60 is: 35,472.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,217.20 : 79,854.60 = 23,639.60 : x
  2. Step 2: Convert to fraction form
    53,217.20/79,854.60 = 23,639.60/x
  3. Step 3: Cross multiply
    53,217.20x = 79,854.60 × 23,639.60
  4. Step 4: Simplify right side
    53,217.20x = 1,887,730,802.16
  5. Step 5: Solve for x
    x = 1,887,730,802.16/53,217.20
  6. Step 6: Final answer
    x = 35,472.19

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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.