Home / 39,504.81-59,169.59-28,378.15

Finding the Fourth Proportional to 39,504.81, 59,169.59 and 28,378.15

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Solution

The fourth proportional to 39,504.81, 59,169.59 and 28,378.15 is: 42,504.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,504.81 : 59,169.59 = 28,378.15 : x
  2. Step 2: Convert to fraction form
    39,504.81/59,169.59 = 28,378.15/x
  3. Step 3: Cross multiply
    39,504.81x = 59,169.59 × 28,378.15
  4. Step 4: Simplify right side
    39,504.81x = 1,679,123,317.06
  5. Step 5: Solve for x
    x = 1,679,123,317.06/39,504.81
  6. Step 6: Final answer
    x = 42,504.27

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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.