Home / 40,850.15-61,275.26-12,770.35

Finding the Fourth Proportional to 40,850.15, 61,275.26 and 12,770.35

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Solution

The fourth proportional to 40,850.15, 61,275.26 and 12,770.35 is: 19,155.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,850.15 : 61,275.26 = 12,770.35 : x
  2. Step 2: Convert to fraction form
    40,850.15/61,275.26 = 12,770.35/x
  3. Step 3: Cross multiply
    40,850.15x = 61,275.26 × 12,770.35
  4. Step 4: Simplify right side
    40,850.15x = 782,506,395.28
  5. Step 5: Solve for x
    x = 782,506,395.28/40,850.15
  6. Step 6: Final answer
    x = 19,155.54

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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.