Home / 50,547.89-69,753.51-30,400.90

Finding the Fourth Proportional to 50,547.89, 69,753.51 and 30,400.90

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Solution

The fourth proportional to 50,547.89, 69,753.51 and 30,400.90 is: 41,951.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,547.89 : 69,753.51 = 30,400.90 : x
  2. Step 2: Convert to fraction form
    50,547.89/69,753.51 = 30,400.90/x
  3. Step 3: Cross multiply
    50,547.89x = 69,753.51 × 30,400.90
  4. Step 4: Simplify right side
    50,547.89x = 2,120,569,307.78
  5. Step 5: Solve for x
    x = 2,120,569,307.78/50,547.89
  6. Step 6: Final answer
    x = 41,951.69

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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.