Home / 43,633.99-65,442.63-12,036.20

Finding the Fourth Proportional to 43,633.99, 65,442.63 and 12,036.20

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Solution

The fourth proportional to 43,633.99, 65,442.63 and 12,036.20 is: 18,051.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,633.99 : 65,442.63 = 12,036.20 : x
  2. Step 2: Convert to fraction form
    43,633.99/65,442.63 = 12,036.20/x
  3. Step 3: Cross multiply
    43,633.99x = 65,442.63 × 12,036.20
  4. Step 4: Simplify right side
    43,633.99x = 787,680,301.13
  5. Step 5: Solve for x
    x = 787,680,301.13/43,633.99
  6. Step 6: Final answer
    x = 18,051.99

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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.