Home / 40,686.53-56,140.65-25,568.45

Finding the Fourth Proportional to 40,686.53, 56,140.65 and 25,568.45

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Solution

The fourth proportional to 40,686.53, 56,140.65 and 25,568.45 is: 35,280.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,686.53 : 56,140.65 = 25,568.45 : x
  2. Step 2: Convert to fraction form
    40,686.53/56,140.65 = 25,568.45/x
  3. Step 3: Cross multiply
    40,686.53x = 56,140.65 × 25,568.45
  4. Step 4: Simplify right side
    40,686.53x = 1,435,429,402.49
  5. Step 5: Solve for x
    x = 1,435,429,402.49/40,686.53
  6. Step 6: Final answer
    x = 35,280.21

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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.