Home / 40,726.79-56,198.40-22,819.20

Finding the Fourth Proportional to 40,726.79, 56,198.40 and 22,819.20

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Solution

The fourth proportional to 40,726.79, 56,198.40 and 22,819.20 is: 31,487.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,726.79 : 56,198.40 = 22,819.20 : x
  2. Step 2: Convert to fraction form
    40,726.79/56,198.40 = 22,819.20/x
  3. Step 3: Cross multiply
    40,726.79x = 56,198.40 × 22,819.20
  4. Step 4: Simplify right side
    40,726.79x = 1,282,402,529.28
  5. Step 5: Solve for x
    x = 1,282,402,529.28/40,726.79
  6. Step 6: Final answer
    x = 31,487.94

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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.