Home / 29,478.04-40,681.66-17,997.80

Finding the Fourth Proportional to 29,478.04, 40,681.66 and 17,997.80

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Solution

The fourth proportional to 29,478.04, 40,681.66 and 17,997.80 is: 24,838.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,478.04 : 40,681.66 = 17,997.80 : x
  2. Step 2: Convert to fraction form
    29,478.04/40,681.66 = 17,997.80/x
  3. Step 3: Cross multiply
    29,478.04x = 40,681.66 × 17,997.80
  4. Step 4: Simplify right side
    29,478.04x = 732,180,380.35
  5. Step 5: Solve for x
    x = 732,180,380.35/29,478.04
  6. Step 6: Final answer
    x = 24,838.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.