Home / 39,424.31-59,114.58-13,114.70

Finding the Fourth Proportional to 39,424.31, 59,114.58 and 13,114.70

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Solution

The fourth proportional to 39,424.31, 59,114.58 and 13,114.70 is: 19,664.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,424.31 : 59,114.58 = 13,114.70 : x
  2. Step 2: Convert to fraction form
    39,424.31/59,114.58 = 13,114.70/x
  3. Step 3: Cross multiply
    39,424.31x = 59,114.58 × 13,114.70
  4. Step 4: Simplify right side
    39,424.31x = 775,269,686.75
  5. Step 5: Solve for x
    x = 775,269,686.75/39,424.31
  6. Step 6: Final answer
    x = 19,664.76

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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.