Home / 38,285.63-52,834.17-21,518.63

Finding the Fourth Proportional to 38,285.63, 52,834.17 and 21,518.63

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Solution

The fourth proportional to 38,285.63, 52,834.17 and 21,518.63 is: 29,695.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,285.63 : 52,834.17 = 21,518.63 : x
  2. Step 2: Convert to fraction form
    38,285.63/52,834.17 = 21,518.63/x
  3. Step 3: Cross multiply
    38,285.63x = 52,834.17 × 21,518.63
  4. Step 4: Simplify right side
    38,285.63x = 1,136,918,955.59
  5. Step 5: Solve for x
    x = 1,136,918,955.59/38,285.63
  6. Step 6: Final answer
    x = 29,695.71

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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.