Home / 20,574.88-30,862.32-5,785.30

Finding the Fourth Proportional to 20,574.88, 30,862.32 and 5,785.30

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Solution

The fourth proportional to 20,574.88, 30,862.32 and 5,785.30 is: 8,677.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,574.88 : 30,862.32 = 5,785.30 : x
  2. Step 2: Convert to fraction form
    20,574.88/30,862.32 = 5,785.30/x
  3. Step 3: Cross multiply
    20,574.88x = 30,862.32 × 5,785.30
  4. Step 4: Simplify right side
    20,574.88x = 178,547,779.90
  5. Step 5: Solve for x
    x = 178,547,779.90/20,574.88
  6. Step 6: Final answer
    x = 8,677.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.