Home / 51,288.99-76,967.14-18,008.20

Finding the Fourth Proportional to 51,288.99, 76,967.14 and 18,008.20

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Solution

The fourth proportional to 51,288.99, 76,967.14 and 18,008.20 is: 27,024.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,288.99 : 76,967.14 = 18,008.20 : x
  2. Step 2: Convert to fraction form
    51,288.99/76,967.14 = 18,008.20/x
  3. Step 3: Cross multiply
    51,288.99x = 76,967.14 × 18,008.20
  4. Step 4: Simplify right side
    51,288.99x = 1,386,039,413.11
  5. Step 5: Solve for x
    x = 1,386,039,413.11/51,288.99
  6. Step 6: Final answer
    x = 27,024.11

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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.