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Finding the Fourth Proportional to 60,001.94, 90,012.51 and 30,407.78

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Solution

The fourth proportional to 60,001.94, 90,012.51 and 30,407.78 is: 45,616.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,001.94 : 90,012.51 = 30,407.78 : x
  2. Step 2: Convert to fraction form
    60,001.94/90,012.51 = 30,407.78/x
  3. Step 3: Cross multiply
    60,001.94x = 90,012.51 × 30,407.78
  4. Step 4: Simplify right side
    60,001.94x = 2,737,080,601.33
  5. Step 5: Solve for x
    x = 2,737,080,601.33/60,001.94
  6. Step 6: Final answer
    x = 45,616.54

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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.