Home / 40,343.42-60,515.12-12,263.70

Finding the Fourth Proportional to 40,343.42, 60,515.12 and 12,263.70

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Solution

The fourth proportional to 40,343.42, 60,515.12 and 12,263.70 is: 18,395.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,343.42 : 60,515.12 = 12,263.70 : x
  2. Step 2: Convert to fraction form
    40,343.42/60,515.12 = 12,263.70/x
  3. Step 3: Cross multiply
    40,343.42x = 60,515.12 × 12,263.70
  4. Step 4: Simplify right side
    40,343.42x = 742,139,277.14
  5. Step 5: Solve for x
    x = 742,139,277.14/40,343.42
  6. Step 6: Final answer
    x = 18,395.55

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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.