Home / 39,829.12-54,961.16-22,833.20

Finding the Fourth Proportional to 39,829.12, 54,961.16 and 22,833.20

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Solution

The fourth proportional to 39,829.12, 54,961.16 and 22,833.20 is: 31,508.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,829.12 : 54,961.16 = 22,833.20 : x
  2. Step 2: Convert to fraction form
    39,829.12/54,961.16 = 22,833.20/x
  3. Step 3: Cross multiply
    39,829.12x = 54,961.16 × 22,833.20
  4. Step 4: Simplify right side
    39,829.12x = 1,254,939,158.51
  5. Step 5: Solve for x
    x = 1,254,939,158.51/39,829.12
  6. Step 6: Final answer
    x = 31,508.08

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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.