Home / 38,418.72-53,038.72-26,545.88

Finding the Fourth Proportional to 38,418.72, 53,038.72 and 26,545.88

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Solution

The fourth proportional to 38,418.72, 53,038.72 and 26,545.88 is: 36,647.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,418.72 : 53,038.72 = 26,545.88 : x
  2. Step 2: Convert to fraction form
    38,418.72/53,038.72 = 26,545.88/x
  3. Step 3: Cross multiply
    38,418.72x = 53,038.72 × 26,545.88
  4. Step 4: Simplify right side
    38,418.72x = 1,407,959,496.47
  5. Step 5: Solve for x
    x = 1,407,959,496.47/38,418.72
  6. Step 6: Final answer
    x = 36,647.75

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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.