Home / 42,999.06-64,523.46-18,036.86

Finding the Fourth Proportional to 42,999.06, 64,523.46 and 18,036.86

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Solution

The fourth proportional to 42,999.06, 64,523.46 and 18,036.86 is: 27,065.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,999.06 : 64,523.46 = 18,036.86 : x
  2. Step 2: Convert to fraction form
    42,999.06/64,523.46 = 18,036.86/x
  3. Step 3: Cross multiply
    42,999.06x = 64,523.46 × 18,036.86
  4. Step 4: Simplify right side
    42,999.06x = 1,163,800,614.74
  5. Step 5: Solve for x
    x = 1,163,800,614.74/42,999.06
  6. Step 6: Final answer
    x = 27,065.72

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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.