Home / 40,315.80-60,344.10-21,548.82

Finding the Fourth Proportional to 40,315.80, 60,344.10 and 21,548.82

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Solution

The fourth proportional to 40,315.80, 60,344.10 and 21,548.82 is: 32,253.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,315.80 : 60,344.10 = 21,548.82 : x
  2. Step 2: Convert to fraction form
    40,315.80/60,344.10 = 21,548.82/x
  3. Step 3: Cross multiply
    40,315.80x = 60,344.10 × 21,548.82
  4. Step 4: Simplify right side
    40,315.80x = 1,300,344,148.96
  5. Step 5: Solve for x
    x = 1,300,344,148.96/40,315.80
  6. Step 6: Final answer
    x = 32,253.96

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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.