Home / 40,378.32-55,721.34-22,473.18

Finding the Fourth Proportional to 40,378.32, 55,721.34 and 22,473.18

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Solution

The fourth proportional to 40,378.32, 55,721.34 and 22,473.18 is: 31,012.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,378.32 : 55,721.34 = 22,473.18 : x
  2. Step 2: Convert to fraction form
    40,378.32/55,721.34 = 22,473.18/x
  3. Step 3: Cross multiply
    40,378.32x = 55,721.34 × 22,473.18
  4. Step 4: Simplify right side
    40,378.32x = 1,252,235,703.66
  5. Step 5: Solve for x
    x = 1,252,235,703.66/40,378.32
  6. Step 6: Final answer
    x = 31,012.58

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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.