Home / 38,118.50-52,603.54-21,351.50

Finding the Fourth Proportional to 38,118.50, 52,603.54 and 21,351.50

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Solution

The fourth proportional to 38,118.50, 52,603.54 and 21,351.50 is: 29,465.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,118.50 : 52,603.54 = 21,351.50 : x
  2. Step 2: Convert to fraction form
    38,118.50/52,603.54 = 21,351.50/x
  3. Step 3: Cross multiply
    38,118.50x = 52,603.54 × 21,351.50
  4. Step 4: Simplify right side
    38,118.50x = 1,123,164,562.44
  5. Step 5: Solve for x
    x = 1,123,164,562.44/38,118.50
  6. Step 6: Final answer
    x = 29,465.08

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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.