Home / 39,719.61-59,579.39-10,137.45

Finding the Fourth Proportional to 39,719.61, 59,579.39 and 10,137.45

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Solution

The fourth proportional to 39,719.61, 59,579.39 and 10,137.45 is: 15,206.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,719.61 : 59,579.39 = 10,137.45 : x
  2. Step 2: Convert to fraction form
    39,719.61/59,579.39 = 10,137.45/x
  3. Step 3: Cross multiply
    39,719.61x = 59,579.39 × 10,137.45
  4. Step 4: Simplify right side
    39,719.61x = 603,983,036.47
  5. Step 5: Solve for x
    x = 603,983,036.47/39,719.61
  6. Step 6: Final answer
    x = 15,206.17

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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.