Home / 61,746.96-85,189.68-39,079.92

Finding the Fourth Proportional to 61,746.96, 85,189.68 and 39,079.92

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Solution

The fourth proportional to 61,746.96, 85,189.68 and 39,079.92 is: 53,916.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,746.96 : 85,189.68 = 39,079.92 : x
  2. Step 2: Convert to fraction form
    61,746.96/85,189.68 = 39,079.92/x
  3. Step 3: Cross multiply
    61,746.96x = 85,189.68 × 39,079.92
  4. Step 4: Simplify right side
    61,746.96x = 3,329,205,879.23
  5. Step 5: Solve for x
    x = 3,329,205,879.23/61,746.96
  6. Step 6: Final answer
    x = 53,916.92

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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.