Home / 30,001.16-45,008.10-10,274.42

Finding the Fourth Proportional to 30,001.16, 45,008.10 and 10,274.42

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Solution

The fourth proportional to 30,001.16, 45,008.10 and 10,274.42 is: 15,413.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,001.16 : 45,008.10 = 10,274.42 : x
  2. Step 2: Convert to fraction form
    30,001.16/45,008.10 = 10,274.42/x
  3. Step 3: Cross multiply
    30,001.16x = 45,008.10 × 10,274.42
  4. Step 4: Simplify right side
    30,001.16x = 462,432,122.80
  5. Step 5: Solve for x
    x = 462,432,122.80/30,001.16
  6. Step 6: Final answer
    x = 15,413.81

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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.