Home / 39,114.50-58,686.32-21,579.62

Finding the Fourth Proportional to 39,114.50, 58,686.32 and 21,579.62

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Solution

The fourth proportional to 39,114.50, 58,686.32 and 21,579.62 is: 32,377.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,114.50 : 58,686.32 = 21,579.62 : x
  2. Step 2: Convert to fraction form
    39,114.50/58,686.32 = 21,579.62/x
  3. Step 3: Cross multiply
    39,114.50x = 58,686.32 × 21,579.62
  4. Step 4: Simplify right side
    39,114.50x = 1,266,428,245.32
  5. Step 5: Solve for x
    x = 1,266,428,245.32/39,114.50
  6. Step 6: Final answer
    x = 32,377.47

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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.