Home / 30,292.62-41,809.95-17,721.42

Finding the Fourth Proportional to 30,292.62, 41,809.95 and 17,721.42

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Solution

The fourth proportional to 30,292.62, 41,809.95 and 17,721.42 is: 24,459.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,292.62 : 41,809.95 = 17,721.42 : x
  2. Step 2: Convert to fraction form
    30,292.62/41,809.95 = 17,721.42/x
  3. Step 3: Cross multiply
    30,292.62x = 41,809.95 × 17,721.42
  4. Step 4: Simplify right side
    30,292.62x = 740,931,684.13
  5. Step 5: Solve for x
    x = 740,931,684.13/30,292.62
  6. Step 6: Final answer
    x = 24,459.15

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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.