Home / 40,828.42-56,340.16-22,680.18

Finding the Fourth Proportional to 40,828.42, 56,340.16 and 22,680.18

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Solution

The fourth proportional to 40,828.42, 56,340.16 and 22,680.18 is: 31,296.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,828.42 : 56,340.16 = 22,680.18 : x
  2. Step 2: Convert to fraction form
    40,828.42/56,340.16 = 22,680.18/x
  3. Step 3: Cross multiply
    40,828.42x = 56,340.16 × 22,680.18
  4. Step 4: Simplify right side
    40,828.42x = 1,277,804,970.03
  5. Step 5: Solve for x
    x = 1,277,804,970.03/40,828.42
  6. Step 6: Final answer
    x = 31,296.95

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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.