Home / 49,554.96-74,332.14-12,115.18

Finding the Fourth Proportional to 49,554.96, 74,332.14 and 12,115.18

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Solution

The fourth proportional to 49,554.96, 74,332.14 and 12,115.18 is: 18,172.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,554.96 : 74,332.14 = 12,115.18 : x
  2. Step 2: Convert to fraction form
    49,554.96/74,332.14 = 12,115.18/x
  3. Step 3: Cross multiply
    49,554.96x = 74,332.14 × 12,115.18
  4. Step 4: Simplify right side
    49,554.96x = 900,547,255.89
  5. Step 5: Solve for x
    x = 900,547,255.89/49,554.96
  6. Step 6: Final answer
    x = 18,172.70

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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.