Home / 39,948.81-55,108.59-32,403.66

Finding the Fourth Proportional to 39,948.81, 55,108.59 and 32,403.66

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Solution

The fourth proportional to 39,948.81, 55,108.59 and 32,403.66 is: 44,700.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,948.81 : 55,108.59 = 32,403.66 : x
  2. Step 2: Convert to fraction form
    39,948.81/55,108.59 = 32,403.66/x
  3. Step 3: Cross multiply
    39,948.81x = 55,108.59 × 32,403.66
  4. Step 4: Simplify right side
    39,948.81x = 1,785,720,013.44
  5. Step 5: Solve for x
    x = 1,785,720,013.44/39,948.81
  6. Step 6: Final answer
    x = 44,700.21

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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.