Home / 40,883.08-61,305.02-18,689.80

Finding the Fourth Proportional to 40,883.08, 61,305.02 and 18,689.80

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Solution

The fourth proportional to 40,883.08, 61,305.02 and 18,689.80 is: 28,025.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,883.08 : 61,305.02 = 18,689.80 : x
  2. Step 2: Convert to fraction form
    40,883.08/61,305.02 = 18,689.80/x
  3. Step 3: Cross multiply
    40,883.08x = 61,305.02 × 18,689.80
  4. Step 4: Simplify right side
    40,883.08x = 1,145,778,562.80
  5. Step 5: Solve for x
    x = 1,145,778,562.80/40,883.08
  6. Step 6: Final answer
    x = 28,025.74

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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.