Home / 30,000.78-44,959.59-11,261.97

Finding the Fourth Proportional to 30,000.78, 44,959.59 and 11,261.97

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Solution

The fourth proportional to 30,000.78, 44,959.59 and 11,261.97 is: 16,877.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,000.78 : 44,959.59 = 11,261.97 : x
  2. Step 2: Convert to fraction form
    30,000.78/44,959.59 = 11,261.97/x
  3. Step 3: Cross multiply
    30,000.78x = 44,959.59 × 11,261.97
  4. Step 4: Simplify right side
    30,000.78x = 506,333,553.79
  5. Step 5: Solve for x
    x = 506,333,553.79/30,000.78
  6. Step 6: Final answer
    x = 16,877.35

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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.