Home / 40,428.02-60,620.16-13,766.06

Finding the Fourth Proportional to 40,428.02, 60,620.16 and 13,766.06

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Solution

The fourth proportional to 40,428.02, 60,620.16 and 13,766.06 is: 20,641.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,428.02 : 60,620.16 = 13,766.06 : x
  2. Step 2: Convert to fraction form
    40,428.02/60,620.16 = 13,766.06/x
  3. Step 3: Cross multiply
    40,428.02x = 60,620.16 × 13,766.06
  4. Step 4: Simplify right side
    40,428.02x = 834,500,759.77
  5. Step 5: Solve for x
    x = 834,500,759.77/40,428.02
  6. Step 6: Final answer
    x = 20,641.64

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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.