Home / 47,531.08-65,588.42-28,407.04

Finding the Fourth Proportional to 47,531.08, 65,588.42 and 28,407.04

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Solution

The fourth proportional to 47,531.08, 65,588.42 and 28,407.04 is: 39,199.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,531.08 : 65,588.42 = 28,407.04 : x
  2. Step 2: Convert to fraction form
    47,531.08/65,588.42 = 28,407.04/x
  3. Step 3: Cross multiply
    47,531.08x = 65,588.42 × 28,407.04
  4. Step 4: Simplify right side
    47,531.08x = 1,863,172,870.48
  5. Step 5: Solve for x
    x = 1,863,172,870.48/47,531.08
  6. Step 6: Final answer
    x = 39,199.04

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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.