Home / 38,117.30-52,603.03-21,119.95

Finding the Fourth Proportional to 38,117.30, 52,603.03 and 21,119.95

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Solution

The fourth proportional to 38,117.30, 52,603.03 and 21,119.95 is: 29,146.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,117.30 : 52,603.03 = 21,119.95 : x
  2. Step 2: Convert to fraction form
    38,117.30/52,603.03 = 21,119.95/x
  3. Step 3: Cross multiply
    38,117.30x = 52,603.03 × 21,119.95
  4. Step 4: Simplify right side
    38,117.30x = 1,110,973,257.85
  5. Step 5: Solve for x
    x = 1,110,973,257.85/38,117.30
  6. Step 6: Final answer
    x = 29,146.17

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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.