Home / 38,876.50-53,656.05-29,428.66

Finding the Fourth Proportional to 38,876.50, 53,656.05 and 29,428.66

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Solution

The fourth proportional to 38,876.50, 53,656.05 and 29,428.66 is: 40,616.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,876.50 : 53,656.05 = 29,428.66 : x
  2. Step 2: Convert to fraction form
    38,876.50/53,656.05 = 29,428.66/x
  3. Step 3: Cross multiply
    38,876.50x = 53,656.05 × 29,428.66
  4. Step 4: Simplify right side
    38,876.50x = 1,579,025,652.39
  5. Step 5: Solve for x
    x = 1,579,025,652.39/38,876.50
  6. Step 6: Final answer
    x = 40,616.46

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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.