Home / 40,146.48-60,220.71-13,492.87

Finding the Fourth Proportional to 40,146.48, 60,220.71 and 13,492.87

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Solution

The fourth proportional to 40,146.48, 60,220.71 and 13,492.87 is: 20,239.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,146.48 : 60,220.71 = 13,492.87 : x
  2. Step 2: Convert to fraction form
    40,146.48/60,220.71 = 13,492.87/x
  3. Step 3: Cross multiply
    40,146.48x = 60,220.71 × 13,492.87
  4. Step 4: Simplify right side
    40,146.48x = 812,550,060.79
  5. Step 5: Solve for x
    x = 812,550,060.79/40,146.48
  6. Step 6: Final answer
    x = 20,239.63

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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.