Home / 39,350.50-54,304.29-21,445.45

Finding the Fourth Proportional to 39,350.50, 54,304.29 and 21,445.45

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Solution

The fourth proportional to 39,350.50, 54,304.29 and 21,445.45 is: 29,595.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,350.50 : 54,304.29 = 21,445.45 : x
  2. Step 2: Convert to fraction form
    39,350.50/54,304.29 = 21,445.45/x
  3. Step 3: Cross multiply
    39,350.50x = 54,304.29 × 21,445.45
  4. Step 4: Simplify right side
    39,350.50x = 1,164,579,800.22
  5. Step 5: Solve for x
    x = 1,164,579,800.22/39,350.50
  6. Step 6: Final answer
    x = 29,595.05

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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.