Home / 40,319.80-55,647-29,026.72

Finding the Fourth Proportional to 40,319.80, 55,647 and 29,026.72

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Solution

The fourth proportional to 40,319.80, 55,647 and 29,026.72 is: 40,060.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,319.80 : 55,647 = 29,026.72 : x
  2. Step 2: Convert to fraction form
    40,319.80/55,647 = 29,026.72/x
  3. Step 3: Cross multiply
    40,319.80x = 55,647 × 29,026.72
  4. Step 4: Simplify right side
    40,319.80x = 1,615,249,887.84
  5. Step 5: Solve for x
    x = 1,615,249,887.84/40,319.80
  6. Step 6: Final answer
    x = 40,060.96

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1.5x scale

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.