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Finding the Fourth Proportional to 34,168.80, 47,152.32 and 19,264.80

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Solution

The fourth proportional to 34,168.80, 47,152.32 and 19,264.80 is: 26,585.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,168.80 : 47,152.32 = 19,264.80 : x
  2. Step 2: Convert to fraction form
    34,168.80/47,152.32 = 19,264.80/x
  3. Step 3: Cross multiply
    34,168.80x = 47,152.32 × 19,264.80
  4. Step 4: Simplify right side
    34,168.80x = 908,380,014.34
  5. Step 5: Solve for x
    x = 908,380,014.34/34,168.80
  6. Step 6: Final answer
    x = 26,585.07

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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.