Home / 38,003.50-52,448.07-21,239.74

Finding the Fourth Proportional to 38,003.50, 52,448.07 and 21,239.74

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Solution

The fourth proportional to 38,003.50, 52,448.07 and 21,239.74 is: 29,312.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,003.50 : 52,448.07 = 21,239.74 : x
  2. Step 2: Convert to fraction form
    38,003.50/52,448.07 = 21,239.74/x
  3. Step 3: Cross multiply
    38,003.50x = 52,448.07 × 21,239.74
  4. Step 4: Simplify right side
    38,003.50x = 1,113,983,370.30
  5. Step 5: Solve for x
    x = 1,113,983,370.30/38,003.50
  6. Step 6: Final answer
    x = 29,312.65

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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.