Home / 40,159.16-55,465.08-27,390.56

Finding the Fourth Proportional to 40,159.16, 55,465.08 and 27,390.56

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Solution

The fourth proportional to 40,159.16, 55,465.08 and 27,390.56 is: 37,829.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,159.16 : 55,465.08 = 27,390.56 : x
  2. Step 2: Convert to fraction form
    40,159.16/55,465.08 = 27,390.56/x
  3. Step 3: Cross multiply
    40,159.16x = 55,465.08 × 27,390.56
  4. Step 4: Simplify right side
    40,159.16x = 1,519,219,601.64
  5. Step 5: Solve for x
    x = 1,519,219,601.64/40,159.16
  6. Step 6: Final answer
    x = 37,829.96

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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.