Home / 39,171.40-58,683.08-30,363.18

Finding the Fourth Proportional to 39,171.40, 58,683.08 and 30,363.18

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Solution

The fourth proportional to 39,171.40, 58,683.08 and 30,363.18 is: 45,487.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,171.40 : 58,683.08 = 30,363.18 : x
  2. Step 2: Convert to fraction form
    39,171.40/58,683.08 = 30,363.18/x
  3. Step 3: Cross multiply
    39,171.40x = 58,683.08 × 30,363.18
  4. Step 4: Simplify right side
    39,171.40x = 1,781,804,920.99
  5. Step 5: Solve for x
    x = 1,781,804,920.99/39,171.40
  6. Step 6: Final answer
    x = 45,487.39

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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.