Home / 42,005.36-63,016.68-28,863.92

Finding the Fourth Proportional to 42,005.36, 63,016.68 and 28,863.92

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Solution

The fourth proportional to 42,005.36, 63,016.68 and 28,863.92 is: 43,301.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,005.36 : 63,016.68 = 28,863.92 : x
  2. Step 2: Convert to fraction form
    42,005.36/63,016.68 = 28,863.92/x
  3. Step 3: Cross multiply
    42,005.36x = 63,016.68 × 28,863.92
  4. Step 4: Simplify right side
    42,005.36x = 1,818,908,410.19
  5. Step 5: Solve for x
    x = 1,818,908,410.19/42,005.36
  6. Step 6: Final answer
    x = 43,301.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.