Home / 40,478.59-60,681.14-14,168.98

Finding the Fourth Proportional to 40,478.59, 60,681.14 and 14,168.98

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Solution

The fourth proportional to 40,478.59, 60,681.14 and 14,168.98 is: 21,240.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,478.59 : 60,681.14 = 14,168.98 : x
  2. Step 2: Convert to fraction form
    40,478.59/60,681.14 = 14,168.98/x
  3. Step 3: Cross multiply
    40,478.59x = 60,681.14 × 14,168.98
  4. Step 4: Simplify right side
    40,478.59x = 859,789,859.04
  5. Step 5: Solve for x
    x = 859,789,859.04/40,478.59
  6. Step 6: Final answer
    x = 21,240.61

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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.