Home / 40,339.29-60,518.28-13,683.86

Finding the Fourth Proportional to 40,339.29, 60,518.28 and 13,683.86

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Solution

The fourth proportional to 40,339.29, 60,518.28 and 13,683.86 is: 20,528.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,339.29 : 60,518.28 = 13,683.86 : x
  2. Step 2: Convert to fraction form
    40,339.29/60,518.28 = 13,683.86/x
  3. Step 3: Cross multiply
    40,339.29x = 60,518.28 × 13,683.86
  4. Step 4: Simplify right side
    40,339.29x = 828,123,670.96
  5. Step 5: Solve for x
    x = 828,123,670.96/40,339.29
  6. Step 6: Final answer
    x = 20,528.96

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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.