Home / 32,715.30-45,147.33-18,568.38

Finding the Fourth Proportional to 32,715.30, 45,147.33 and 18,568.38

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Solution

The fourth proportional to 32,715.30, 45,147.33 and 18,568.38 is: 25,624.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,715.30 : 45,147.33 = 18,568.38 : x
  2. Step 2: Convert to fraction form
    32,715.30/45,147.33 = 18,568.38/x
  3. Step 3: Cross multiply
    32,715.30x = 45,147.33 × 18,568.38
  4. Step 4: Simplify right side
    32,715.30x = 838,312,779.43
  5. Step 5: Solve for x
    x = 838,312,779.43/32,715.30
  6. Step 6: Final answer
    x = 25,624.49

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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.