Home / 48,129.72-66,411.08-26,909.76

Finding the Fourth Proportional to 48,129.72, 66,411.08 and 26,909.76

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Solution

The fourth proportional to 48,129.72, 66,411.08 and 26,909.76 is: 37,131.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,129.72 : 66,411.08 = 26,909.76 : x
  2. Step 2: Convert to fraction form
    48,129.72/66,411.08 = 26,909.76/x
  3. Step 3: Cross multiply
    48,129.72x = 66,411.08 × 26,909.76
  4. Step 4: Simplify right side
    48,129.72x = 1,787,106,224.14
  5. Step 5: Solve for x
    x = 1,787,106,224.14/48,129.72
  6. Step 6: Final answer
    x = 37,131.03

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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.