Home / 39,018.97-58,539.39-15,661.81

Finding the Fourth Proportional to 39,018.97, 58,539.39 and 15,661.81

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Solution

The fourth proportional to 39,018.97, 58,539.39 and 15,661.81 is: 23,497.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,018.97 : 58,539.39 = 15,661.81 : x
  2. Step 2: Convert to fraction form
    39,018.97/58,539.39 = 15,661.81/x
  3. Step 3: Cross multiply
    39,018.97x = 58,539.39 × 15,661.81
  4. Step 4: Simplify right side
    39,018.97x = 916,832,803.70
  5. Step 5: Solve for x
    x = 916,832,803.70/39,018.97
  6. Step 6: Final answer
    x = 23,497.10

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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.