Home / 30,248.46-45,381.78-12,227.40

Finding the Fourth Proportional to 30,248.46, 45,381.78 and 12,227.40

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Solution

The fourth proportional to 30,248.46, 45,381.78 and 12,227.40 is: 18,344.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,248.46 : 45,381.78 = 12,227.40 : x
  2. Step 2: Convert to fraction form
    30,248.46/45,381.78 = 12,227.40/x
  3. Step 3: Cross multiply
    30,248.46x = 45,381.78 × 12,227.40
  4. Step 4: Simplify right side
    30,248.46x = 554,901,176.77
  5. Step 5: Solve for x
    x = 554,901,176.77/30,248.46
  6. Step 6: Final answer
    x = 18,344.77

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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.