Home / 39,730.61-54,876.75-29,703.55

Finding the Fourth Proportional to 39,730.61, 54,876.75 and 29,703.55

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Solution

The fourth proportional to 39,730.61, 54,876.75 and 29,703.55 is: 41,027.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,730.61 : 54,876.75 = 29,703.55 : x
  2. Step 2: Convert to fraction form
    39,730.61/54,876.75 = 29,703.55/x
  3. Step 3: Cross multiply
    39,730.61x = 54,876.75 × 29,703.55
  4. Step 4: Simplify right side
    39,730.61x = 1,630,034,287.46
  5. Step 5: Solve for x
    x = 1,630,034,287.46/39,730.61
  6. Step 6: Final answer
    x = 41,027.16

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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.