Home / 43,279.40-64,919.10-26,585.30

Finding the Fourth Proportional to 43,279.40, 64,919.10 and 26,585.30

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Solution

The fourth proportional to 43,279.40, 64,919.10 and 26,585.30 is: 39,877.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,279.40 : 64,919.10 = 26,585.30 : x
  2. Step 2: Convert to fraction form
    43,279.40/64,919.10 = 26,585.30/x
  3. Step 3: Cross multiply
    43,279.40x = 64,919.10 × 26,585.30
  4. Step 4: Simplify right side
    43,279.40x = 1,725,893,749.23
  5. Step 5: Solve for x
    x = 1,725,893,749.23/43,279.40
  6. Step 6: Final answer
    x = 39,877.95

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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.