Home / 40,279.59-60,420.02-12,199.93

Finding the Fourth Proportional to 40,279.59, 60,420.02 and 12,199.93

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Solution

The fourth proportional to 40,279.59, 60,420.02 and 12,199.93 is: 18,300.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,279.59 : 60,420.02 = 12,199.93 : x
  2. Step 2: Convert to fraction form
    40,279.59/60,420.02 = 12,199.93/x
  3. Step 3: Cross multiply
    40,279.59x = 60,420.02 × 12,199.93
  4. Step 4: Simplify right side
    40,279.59x = 737,120,014.60
  5. Step 5: Solve for x
    x = 737,120,014.60/40,279.59
  6. Step 6: Final answer
    x = 18,300.09

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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.