Home / 40,657.20-56,102.40-22,749.72

Finding the Fourth Proportional to 40,657.20, 56,102.40 and 22,749.72

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Solution

The fourth proportional to 40,657.20, 56,102.40 and 22,749.72 is: 31,392.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,657.20 : 56,102.40 = 22,749.72 : x
  2. Step 2: Convert to fraction form
    40,657.20/56,102.40 = 22,749.72/x
  3. Step 3: Cross multiply
    40,657.20x = 56,102.40 × 22,749.72
  4. Step 4: Simplify right side
    40,657.20x = 1,276,313,891.33
  5. Step 5: Solve for x
    x = 1,276,313,891.33/40,657.20
  6. Step 6: Final answer
    x = 31,392.08

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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.