Home / 39,018.18-58,533.39-12,716.79

Finding the Fourth Proportional to 39,018.18, 58,533.39 and 12,716.79

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Solution

The fourth proportional to 39,018.18, 58,533.39 and 12,716.79 is: 19,077.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,018.18 : 58,533.39 = 12,716.79 : x
  2. Step 2: Convert to fraction form
    39,018.18/58,533.39 = 12,716.79/x
  3. Step 3: Cross multiply
    39,018.18x = 58,533.39 × 12,716.79
  4. Step 4: Simplify right side
    39,018.18x = 744,356,828.62
  5. Step 5: Solve for x
    x = 744,356,828.62/39,018.18
  6. Step 6: Final answer
    x = 19,077.18

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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.