Home / 30,381.12-45,600.88-14,809.68

Finding the Fourth Proportional to 30,381.12, 45,600.88 and 14,809.68

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Solution

The fourth proportional to 30,381.12, 45,600.88 and 14,809.68 is: 22,228.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,381.12 : 45,600.88 = 14,809.68 : x
  2. Step 2: Convert to fraction form
    30,381.12/45,600.88 = 14,809.68/x
  3. Step 3: Cross multiply
    30,381.12x = 45,600.88 × 14,809.68
  4. Step 4: Simplify right side
    30,381.12x = 675,334,440.52
  5. Step 5: Solve for x
    x = 675,334,440.52/30,381.12
  6. Step 6: Final answer
    x = 22,228.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.