Home / 39,350.76-54,302.48-21,445.38

Finding the Fourth Proportional to 39,350.76, 54,302.48 and 21,445.38

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Solution

The fourth proportional to 39,350.76, 54,302.48 and 21,445.38 is: 29,593.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,350.76 : 54,302.48 = 21,445.38 : x
  2. Step 2: Convert to fraction form
    39,350.76/54,302.48 = 21,445.38/x
  3. Step 3: Cross multiply
    39,350.76x = 54,302.48 × 21,445.38
  4. Step 4: Simplify right side
    39,350.76x = 1,164,537,211.32
  5. Step 5: Solve for x
    x = 1,164,537,211.32/39,350.76
  6. Step 6: Final answer
    x = 29,593.77

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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.