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Finding the Fourth Proportional to 40,448.79, 60,700.51 and 14,153.76

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Solution

The fourth proportional to 40,448.79, 60,700.51 and 14,153.76 is: 21,240.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,448.79 : 60,700.51 = 14,153.76 : x
  2. Step 2: Convert to fraction form
    40,448.79/60,700.51 = 14,153.76/x
  3. Step 3: Cross multiply
    40,448.79x = 60,700.51 × 14,153.76
  4. Step 4: Simplify right side
    40,448.79x = 859,140,450.42
  5. Step 5: Solve for x
    x = 859,140,450.42/40,448.79
  6. Step 6: Final answer
    x = 21,240.20

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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.