Home / 40,224.90-55,510.18-22,319.86

Finding the Fourth Proportional to 40,224.90, 55,510.18 and 22,319.86

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Solution

The fourth proportional to 40,224.90, 55,510.18 and 22,319.86 is: 30,801.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,224.90 : 55,510.18 = 22,319.86 : x
  2. Step 2: Convert to fraction form
    40,224.90/55,510.18 = 22,319.86/x
  3. Step 3: Cross multiply
    40,224.90x = 55,510.18 × 22,319.86
  4. Step 4: Simplify right side
    40,224.90x = 1,238,979,574.58
  5. Step 5: Solve for x
    x = 1,238,979,574.58/40,224.90
  6. Step 6: Final answer
    x = 30,801.31

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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.