Home / 40,223.19-60,342.66-12,145.53

Finding the Fourth Proportional to 40,223.19, 60,342.66 and 12,145.53

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Solution

The fourth proportional to 40,223.19, 60,342.66 and 12,145.53 is: 18,220.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,223.19 : 60,342.66 = 12,145.53 : x
  2. Step 2: Convert to fraction form
    40,223.19/60,342.66 = 12,145.53/x
  3. Step 3: Cross multiply
    40,223.19x = 60,342.66 × 12,145.53
  4. Step 4: Simplify right side
    40,223.19x = 732,893,587.31
  5. Step 5: Solve for x
    x = 732,893,587.31/40,223.19
  6. Step 6: Final answer
    x = 18,220.67

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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.