Home / 40,393.35-60,598.76-12,312.68

Finding the Fourth Proportional to 40,393.35, 60,598.76 and 12,312.68

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Solution

The fourth proportional to 40,393.35, 60,598.76 and 12,312.68 is: 18,471.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,393.35 : 60,598.76 = 12,312.68 : x
  2. Step 2: Convert to fraction form
    40,393.35/60,598.76 = 12,312.68/x
  3. Step 3: Cross multiply
    40,393.35x = 60,598.76 × 12,312.68
  4. Step 4: Simplify right side
    40,393.35x = 746,132,775.72
  5. Step 5: Solve for x
    x = 746,132,775.72/40,393.35
  6. Step 6: Final answer
    x = 18,471.67

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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.