Home / 40,064.04-55,288.44-22,159.80

Finding the Fourth Proportional to 40,064.04, 55,288.44 and 22,159.80

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Solution

The fourth proportional to 40,064.04, 55,288.44 and 22,159.80 is: 30,580.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,064.04 : 55,288.44 = 22,159.80 : x
  2. Step 2: Convert to fraction form
    40,064.04/55,288.44 = 22,159.80/x
  3. Step 3: Cross multiply
    40,064.04x = 55,288.44 × 22,159.80
  4. Step 4: Simplify right side
    40,064.04x = 1,225,180,772.71
  5. Step 5: Solve for x
    x = 1,225,180,772.71/40,064.04
  6. Step 6: Final answer
    x = 30,580.56

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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.