Home / 43,319.40-64,979.10-26,625.30

Finding the Fourth Proportional to 43,319.40, 64,979.10 and 26,625.30

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Solution

The fourth proportional to 43,319.40, 64,979.10 and 26,625.30 is: 39,937.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,319.40 : 64,979.10 = 26,625.30 : x
  2. Step 2: Convert to fraction form
    43,319.40/64,979.10 = 26,625.30/x
  3. Step 3: Cross multiply
    43,319.40x = 64,979.10 × 26,625.30
  4. Step 4: Simplify right side
    43,319.40x = 1,730,088,031.23
  5. Step 5: Solve for x
    x = 1,730,088,031.23/43,319.40
  6. Step 6: Final answer
    x = 39,937.95

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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.