Home / 77,396.69-116,095.19-21,237.57

Finding the Fourth Proportional to 77,396.69, 116,095.19 and 21,237.57

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Solution

The fourth proportional to 77,396.69, 116,095.19 and 21,237.57 is: 31,856.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,396.69 : 116,095.19 = 21,237.57 : x
  2. Step 2: Convert to fraction form
    77,396.69/116,095.19 = 21,237.57/x
  3. Step 3: Cross multiply
    77,396.69x = 116,095.19 × 21,237.57
  4. Step 4: Simplify right side
    77,396.69x = 2,465,579,618.10
  5. Step 5: Solve for x
    x = 2,465,579,618.10/77,396.69
  6. Step 6: Final answer
    x = 31,856.40

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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.