Home / 34,684.79-47,864.05-19,578.85

Finding the Fourth Proportional to 34,684.79, 47,864.05 and 19,578.85

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Solution

The fourth proportional to 34,684.79, 47,864.05 and 19,578.85 is: 27,018.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,684.79 : 47,864.05 = 19,578.85 : x
  2. Step 2: Convert to fraction form
    34,684.79/47,864.05 = 19,578.85/x
  3. Step 3: Cross multiply
    34,684.79x = 47,864.05 × 19,578.85
  4. Step 4: Simplify right side
    34,684.79x = 937,122,886.74
  5. Step 5: Solve for x
    x = 937,122,886.74/34,684.79
  6. Step 6: Final answer
    x = 27,018.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.