Home / 39,020.78-58,532.81-12,366.18

Finding the Fourth Proportional to 39,020.78, 58,532.81 and 12,366.18

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Solution

The fourth proportional to 39,020.78, 58,532.81 and 12,366.18 is: 18,549.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,020.78 : 58,532.81 = 12,366.18 : x
  2. Step 2: Convert to fraction form
    39,020.78/58,532.81 = 12,366.18/x
  3. Step 3: Cross multiply
    39,020.78x = 58,532.81 × 12,366.18
  4. Step 4: Simplify right side
    39,020.78x = 723,827,474.40
  5. Step 5: Solve for x
    x = 723,827,474.40/39,020.78
  6. Step 6: Final answer
    x = 18,549.80

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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.