Home / 42,685.44-64,028.06-14,605.74

Finding the Fourth Proportional to 42,685.44, 64,028.06 and 14,605.74

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Solution

The fourth proportional to 42,685.44, 64,028.06 and 14,605.74 is: 21,908.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,685.44 : 64,028.06 = 14,605.74 : x
  2. Step 2: Convert to fraction form
    42,685.44/64,028.06 = 14,605.74/x
  3. Step 3: Cross multiply
    42,685.44x = 64,028.06 × 14,605.74
  4. Step 4: Simplify right side
    42,685.44x = 935,177,197.06
  5. Step 5: Solve for x
    x = 935,177,197.06/42,685.44
  6. Step 6: Final answer
    x = 21,908.58

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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.