Home / 29,045.04-43,564.10-7,987.22

Finding the Fourth Proportional to 29,045.04, 43,564.10 and 7,987.22

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Solution

The fourth proportional to 29,045.04, 43,564.10 and 7,987.22 is: 11,979.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,045.04 : 43,564.10 = 7,987.22 : x
  2. Step 2: Convert to fraction form
    29,045.04/43,564.10 = 7,987.22/x
  3. Step 3: Cross multiply
    29,045.04x = 43,564.10 × 7,987.22
  4. Step 4: Simplify right side
    29,045.04x = 347,956,050.80
  5. Step 5: Solve for x
    x = 347,956,050.80/29,045.04
  6. Step 6: Final answer
    x = 11,979.88

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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.