Home / 39,171.90-58,683.84-30,363.69

Finding the Fourth Proportional to 39,171.90, 58,683.84 and 30,363.69

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Solution

The fourth proportional to 39,171.90, 58,683.84 and 30,363.69 is: 45,488.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,171.90 : 58,683.84 = 30,363.69 : x
  2. Step 2: Convert to fraction form
    39,171.90/58,683.84 = 30,363.69/x
  3. Step 3: Cross multiply
    39,171.90x = 58,683.84 × 30,363.69
  4. Step 4: Simplify right side
    39,171.90x = 1,781,857,925.77
  5. Step 5: Solve for x
    x = 1,781,857,925.77/39,171.90
  6. Step 6: Final answer
    x = 45,488.17

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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.