Home / 39,628.14-59,441.62-9,642.66

Finding the Fourth Proportional to 39,628.14, 59,441.62 and 9,642.66

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Solution

The fourth proportional to 39,628.14, 59,441.62 and 9,642.66 is: 14,463.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,628.14 : 59,441.62 = 9,642.66 : x
  2. Step 2: Convert to fraction form
    39,628.14/59,441.62 = 9,642.66/x
  3. Step 3: Cross multiply
    39,628.14x = 59,441.62 × 9,642.66
  4. Step 4: Simplify right side
    39,628.14x = 573,175,331.51
  5. Step 5: Solve for x
    x = 573,175,331.51/39,628.14
  6. Step 6: Final answer
    x = 14,463.85

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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.