Home / 48,531.02-66,931.52-29,406.38

Finding the Fourth Proportional to 48,531.02, 66,931.52 and 29,406.38

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Solution

The fourth proportional to 48,531.02, 66,931.52 and 29,406.38 is: 40,555.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,531.02 : 66,931.52 = 29,406.38 : x
  2. Step 2: Convert to fraction form
    48,531.02/66,931.52 = 29,406.38/x
  3. Step 3: Cross multiply
    48,531.02x = 66,931.52 × 29,406.38
  4. Step 4: Simplify right side
    48,531.02x = 1,968,213,229.41
  5. Step 5: Solve for x
    x = 1,968,213,229.41/48,531.02
  6. Step 6: Final answer
    x = 40,555.78

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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.