Home / 34,530.18-47,639.79-19,420.26

Finding the Fourth Proportional to 34,530.18, 47,639.79 and 19,420.26

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Solution

The fourth proportional to 34,530.18, 47,639.79 and 19,420.26 is: 26,793.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,530.18 : 47,639.79 = 19,420.26 : x
  2. Step 2: Convert to fraction form
    34,530.18/47,639.79 = 19,420.26/x
  3. Step 3: Cross multiply
    34,530.18x = 47,639.79 × 19,420.26
  4. Step 4: Simplify right side
    34,530.18x = 925,177,108.15
  5. Step 5: Solve for x
    x = 925,177,108.15/34,530.18
  6. Step 6: Final answer
    x = 26,793.29

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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.