Home / 40,171.48-55,430.13-25,061.74

Finding the Fourth Proportional to 40,171.48, 55,430.13 and 25,061.74

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Solution

The fourth proportional to 40,171.48, 55,430.13 and 25,061.74 is: 34,581.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,171.48 : 55,430.13 = 25,061.74 : x
  2. Step 2: Convert to fraction form
    40,171.48/55,430.13 = 25,061.74/x
  3. Step 3: Cross multiply
    40,171.48x = 55,430.13 × 25,061.74
  4. Step 4: Simplify right side
    40,171.48x = 1,389,175,506.23
  5. Step 5: Solve for x
    x = 1,389,175,506.23/40,171.48
  6. Step 6: Final answer
    x = 34,581.14

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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.