Home / 39,572.16-54,646.64-25,449.60

Finding the Fourth Proportional to 39,572.16, 54,646.64 and 25,449.60

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Solution

The fourth proportional to 39,572.16, 54,646.64 and 25,449.60 is: 35,144.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,572.16 : 54,646.64 = 25,449.60 : x
  2. Step 2: Convert to fraction form
    39,572.16/54,646.64 = 25,449.60/x
  3. Step 3: Cross multiply
    39,572.16x = 54,646.64 × 25,449.60
  4. Step 4: Simplify right side
    39,572.16x = 1,390,735,129.34
  5. Step 5: Solve for x
    x = 1,390,735,129.34/39,572.16
  6. Step 6: Final answer
    x = 35,144.28

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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.