Home / 29,159.34-43,681.76-15,128.52

Finding the Fourth Proportional to 29,159.34, 43,681.76 and 15,128.52

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Solution

The fourth proportional to 29,159.34, 43,681.76 and 15,128.52 is: 22,663.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,159.34 : 43,681.76 = 15,128.52 : x
  2. Step 2: Convert to fraction form
    29,159.34/43,681.76 = 15,128.52/x
  3. Step 3: Cross multiply
    29,159.34x = 43,681.76 × 15,128.52
  4. Step 4: Simplify right side
    29,159.34x = 660,840,379.80
  5. Step 5: Solve for x
    x = 660,840,379.80/29,159.34
  6. Step 6: Final answer
    x = 22,663.08

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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.