Home / 42,690.23-64,034.44-14,229.24

Finding the Fourth Proportional to 42,690.23, 64,034.44 and 14,229.24

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Solution

The fourth proportional to 42,690.23, 64,034.44 and 14,229.24 is: 21,343.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,690.23 : 64,034.44 = 14,229.24 : x
  2. Step 2: Convert to fraction form
    42,690.23/64,034.44 = 14,229.24/x
  3. Step 3: Cross multiply
    42,690.23x = 64,034.44 × 14,229.24
  4. Step 4: Simplify right side
    42,690.23x = 911,161,415.03
  5. Step 5: Solve for x
    x = 911,161,415.03/42,690.23
  6. Step 6: Final answer
    x = 21,343.56

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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.