Home / 40,025.79-60,045.21-12,323.79

Finding the Fourth Proportional to 40,025.79, 60,045.21 and 12,323.79

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Solution

The fourth proportional to 40,025.79, 60,045.21 and 12,323.79 is: 18,487.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,025.79 : 60,045.21 = 12,323.79 : x
  2. Step 2: Convert to fraction form
    40,025.79/60,045.21 = 12,323.79/x
  3. Step 3: Cross multiply
    40,025.79x = 60,045.21 × 12,323.79
  4. Step 4: Simplify right side
    40,025.79x = 739,984,558.55
  5. Step 5: Solve for x
    x = 739,984,558.55/40,025.79
  6. Step 6: Final answer
    x = 18,487.69

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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.