Home / 40,127.12-55,384.68-38,252.24

Finding the Fourth Proportional to 40,127.12, 55,384.68 and 38,252.24

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Solution

The fourth proportional to 40,127.12, 55,384.68 and 38,252.24 is: 52,796.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,127.12 : 55,384.68 = 38,252.24 : x
  2. Step 2: Convert to fraction form
    40,127.12/55,384.68 = 38,252.24/x
  3. Step 3: Cross multiply
    40,127.12x = 55,384.68 × 38,252.24
  4. Step 4: Simplify right side
    40,127.12x = 2,118,588,071.68
  5. Step 5: Solve for x
    x = 2,118,588,071.68/40,127.12
  6. Step 6: Final answer
    x = 52,796.91

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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.