Home / 55,007.01-75,909.48-29,856.51

Finding the Fourth Proportional to 55,007.01, 75,909.48 and 29,856.51

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Solution

The fourth proportional to 55,007.01, 75,909.48 and 29,856.51 is: 41,201.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,007.01 : 75,909.48 = 29,856.51 : x
  2. Step 2: Convert to fraction form
    55,007.01/75,909.48 = 29,856.51/x
  3. Step 3: Cross multiply
    55,007.01x = 75,909.48 × 29,856.51
  4. Step 4: Simplify right side
    55,007.01x = 2,266,392,148.71
  5. Step 5: Solve for x
    x = 2,266,392,148.71/55,007.01
  6. Step 6: Final answer
    x = 41,201.88

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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.