Home / 32,937.78-49,412.70-13,218.30

Finding the Fourth Proportional to 32,937.78, 49,412.70 and 13,218.30

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Solution

The fourth proportional to 32,937.78, 49,412.70 and 13,218.30 is: 19,829.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,937.78 : 49,412.70 = 13,218.30 : x
  2. Step 2: Convert to fraction form
    32,937.78/49,412.70 = 13,218.30/x
  3. Step 3: Cross multiply
    32,937.78x = 49,412.70 × 13,218.30
  4. Step 4: Simplify right side
    32,937.78x = 653,151,892.41
  5. Step 5: Solve for x
    x = 653,151,892.41/32,937.78
  6. Step 6: Final answer
    x = 19,829.87

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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.