Home / 38,329.46-52,894.10-21,333.70

Finding the Fourth Proportional to 38,329.46, 52,894.10 and 21,333.70

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Solution

The fourth proportional to 38,329.46, 52,894.10 and 21,333.70 is: 29,440.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,329.46 : 52,894.10 = 21,333.70 : x
  2. Step 2: Convert to fraction form
    38,329.46/52,894.10 = 21,333.70/x
  3. Step 3: Cross multiply
    38,329.46x = 52,894.10 × 21,333.70
  4. Step 4: Simplify right side
    38,329.46x = 1,128,426,782.27
  5. Step 5: Solve for x
    x = 1,128,426,782.27/38,329.46
  6. Step 6: Final answer
    x = 29,440.20

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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.