Home / 40,225.58-60,347.01-12,147.74

Finding the Fourth Proportional to 40,225.58, 60,347.01 and 12,147.74

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Solution

The fourth proportional to 40,225.58, 60,347.01 and 12,147.74 is: 18,224.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,225.58 : 60,347.01 = 12,147.74 : x
  2. Step 2: Convert to fraction form
    40,225.58/60,347.01 = 12,147.74/x
  3. Step 3: Cross multiply
    40,225.58x = 60,347.01 × 12,147.74
  4. Step 4: Simplify right side
    40,225.58x = 733,079,787.26
  5. Step 5: Solve for x
    x = 733,079,787.26/40,225.58
  6. Step 6: Final answer
    x = 18,224.22

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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.