Home / 30,081.85-41,521.95-19,472.20

Finding the Fourth Proportional to 30,081.85, 41,521.95 and 19,472.20

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Solution

The fourth proportional to 30,081.85, 41,521.95 and 19,472.20 is: 26,877.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,081.85 : 41,521.95 = 19,472.20 : x
  2. Step 2: Convert to fraction form
    30,081.85/41,521.95 = 19,472.20/x
  3. Step 3: Cross multiply
    30,081.85x = 41,521.95 × 19,472.20
  4. Step 4: Simplify right side
    30,081.85x = 808,523,610.99
  5. Step 5: Solve for x
    x = 808,523,610.99/30,081.85
  6. Step 6: Final answer
    x = 26,877.46

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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.