Home / 49,417.20-74,164.76-18,261.36

Finding the Fourth Proportional to 49,417.20, 74,164.76 and 18,261.36

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Solution

The fourth proportional to 49,417.20, 74,164.76 and 18,261.36 is: 27,406.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,417.20 : 74,164.76 = 18,261.36 : x
  2. Step 2: Convert to fraction form
    49,417.20/74,164.76 = 18,261.36/x
  3. Step 3: Cross multiply
    49,417.20x = 74,164.76 × 18,261.36
  4. Step 4: Simplify right side
    49,417.20x = 1,354,349,381.67
  5. Step 5: Solve for x
    x = 1,354,349,381.67/49,417.20
  6. Step 6: Final answer
    x = 27,406.44

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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.