Home / 40,225.48-55,510.21-22,320.02

Finding the Fourth Proportional to 40,225.48, 55,510.21 and 22,320.02

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Solution

The fourth proportional to 40,225.48, 55,510.21 and 22,320.02 is: 30,801.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,225.48 : 55,510.21 = 22,320.02 : x
  2. Step 2: Convert to fraction form
    40,225.48/55,510.21 = 22,320.02/x
  3. Step 3: Cross multiply
    40,225.48x = 55,510.21 × 22,320.02
  4. Step 4: Simplify right side
    40,225.48x = 1,238,989,164.08
  5. Step 5: Solve for x
    x = 1,238,989,164.08/40,225.48
  6. Step 6: Final answer
    x = 30,801.11

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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.