Home / 70,039.05-96,656.13-39,829.29

Finding the Fourth Proportional to 70,039.05, 96,656.13 and 39,829.29

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Solution

The fourth proportional to 70,039.05, 96,656.13 and 39,829.29 is: 54,965.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,039.05 : 96,656.13 = 39,829.29 : x
  2. Step 2: Convert to fraction form
    70,039.05/96,656.13 = 39,829.29/x
  3. Step 3: Cross multiply
    70,039.05x = 96,656.13 × 39,829.29
  4. Step 4: Simplify right side
    70,039.05x = 3,849,745,032.05
  5. Step 5: Solve for x
    x = 3,849,745,032.05/70,039.05
  6. Step 6: Final answer
    x = 54,965.69

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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.