Home / 40,064.47-55,287.87-22,160.23

Finding the Fourth Proportional to 40,064.47, 55,287.87 and 22,160.23

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Solution

The fourth proportional to 40,064.47, 55,287.87 and 22,160.23 is: 30,580.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,064.47 : 55,287.87 = 22,160.23 : x
  2. Step 2: Convert to fraction form
    40,064.47/55,287.87 = 22,160.23/x
  3. Step 3: Cross multiply
    40,064.47x = 55,287.87 × 22,160.23
  4. Step 4: Simplify right side
    40,064.47x = 1,225,191,915.41
  5. Step 5: Solve for x
    x = 1,225,191,915.41/40,064.47
  6. Step 6: Final answer
    x = 30,580.51

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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.