Home / 59,987.20-89,950.62-19,992.04

Finding the Fourth Proportional to 59,987.20, 89,950.62 and 19,992.04

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Solution

The fourth proportional to 59,987.20, 89,950.62 and 19,992.04 is: 29,978.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,987.20 : 89,950.62 = 19,992.04 : x
  2. Step 2: Convert to fraction form
    59,987.20/89,950.62 = 19,992.04/x
  3. Step 3: Cross multiply
    59,987.20x = 89,950.62 × 19,992.04
  4. Step 4: Simplify right side
    59,987.20x = 1,798,296,393.06
  5. Step 5: Solve for x
    x = 1,798,296,393.06/59,987.20
  6. Step 6: Final answer
    x = 29,978.00

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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.