Home / 42,704.19-64,049.70-14,617.80

Finding the Fourth Proportional to 42,704.19, 64,049.70 and 14,617.80

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Solution

The fourth proportional to 42,704.19, 64,049.70 and 14,617.80 is: 21,924.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,704.19 : 64,049.70 = 14,617.80 : x
  2. Step 2: Convert to fraction form
    42,704.19/64,049.70 = 14,617.80/x
  3. Step 3: Cross multiply
    42,704.19x = 64,049.70 × 14,617.80
  4. Step 4: Simplify right side
    42,704.19x = 936,265,704.66
  5. Step 5: Solve for x
    x = 936,265,704.66/42,704.19
  6. Step 6: Final answer
    x = 21,924.45

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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.