Home / 86,715.19-130,072.82-24,385.69

Finding the Fourth Proportional to 86,715.19, 130,072.82 and 24,385.69

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Solution

The fourth proportional to 86,715.19, 130,072.82 and 24,385.69 is: 36,578.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,715.19 : 130,072.82 = 24,385.69 : x
  2. Step 2: Convert to fraction form
    86,715.19/130,072.82 = 24,385.69/x
  3. Step 3: Cross multiply
    86,715.19x = 130,072.82 × 24,385.69
  4. Step 4: Simplify right side
    86,715.19x = 3,171,915,018.84
  5. Step 5: Solve for x
    x = 3,171,915,018.84/86,715.19
  6. Step 6: Final answer
    x = 36,578.54

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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.