Home / 39,320.24-54,261.60-27,390.20

Finding the Fourth Proportional to 39,320.24, 54,261.60 and 27,390.20

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Solution

The fourth proportional to 39,320.24, 54,261.60 and 27,390.20 is: 37,798.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,320.24 : 54,261.60 = 27,390.20 : x
  2. Step 2: Convert to fraction form
    39,320.24/54,261.60 = 27,390.20/x
  3. Step 3: Cross multiply
    39,320.24x = 54,261.60 × 27,390.20
  4. Step 4: Simplify right side
    39,320.24x = 1,486,236,076.32
  5. Step 5: Solve for x
    x = 1,486,236,076.32/39,320.24
  6. Step 6: Final answer
    x = 37,798.25

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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.