Home / 32,876.80-45,370.30-30,365.40

Finding the Fourth Proportional to 32,876.80, 45,370.30 and 30,365.40

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Solution

The fourth proportional to 32,876.80, 45,370.30 and 30,365.40 is: 41,904.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,876.80 : 45,370.30 = 30,365.40 : x
  2. Step 2: Convert to fraction form
    32,876.80/45,370.30 = 30,365.40/x
  3. Step 3: Cross multiply
    32,876.80x = 45,370.30 × 30,365.40
  4. Step 4: Simplify right side
    32,876.80x = 1,377,687,307.62
  5. Step 5: Solve for x
    x = 1,377,687,307.62/32,876.80
  6. Step 6: Final answer
    x = 41,904.54

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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.