Home / 39,134.60-58,740.30-19,435.40

Finding the Fourth Proportional to 39,134.60, 58,740.30 and 19,435.40

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Solution

The fourth proportional to 39,134.60, 58,740.30 and 19,435.40 is: 29,172.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,134.60 : 58,740.30 = 19,435.40 : x
  2. Step 2: Convert to fraction form
    39,134.60/58,740.30 = 19,435.40/x
  3. Step 3: Cross multiply
    39,134.60x = 58,740.30 × 19,435.40
  4. Step 4: Simplify right side
    39,134.60x = 1,141,641,226.62
  5. Step 5: Solve for x
    x = 1,141,641,226.62/39,134.60
  6. Step 6: Final answer
    x = 29,172.17

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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.