Home / 40,225.22-55,510.09-22,319.92

Finding the Fourth Proportional to 40,225.22, 55,510.09 and 22,319.92

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Solution

The fourth proportional to 40,225.22, 55,510.09 and 22,319.92 is: 30,801.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,225.22 : 55,510.09 = 22,319.92 : x
  2. Step 2: Convert to fraction form
    40,225.22/55,510.09 = 22,319.92/x
  3. Step 3: Cross multiply
    40,225.22x = 55,510.09 × 22,319.92
  4. Step 4: Simplify right side
    40,225.22x = 1,238,980,767.99
  5. Step 5: Solve for x
    x = 1,238,980,767.99/40,225.22
  6. Step 6: Final answer
    x = 30,801.09

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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.