Home / 35,253.76-48,648.56-21,114.40

Finding the Fourth Proportional to 35,253.76, 48,648.56 and 21,114.40

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Solution

The fourth proportional to 35,253.76, 48,648.56 and 21,114.40 is: 29,136.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,253.76 : 48,648.56 = 21,114.40 : x
  2. Step 2: Convert to fraction form
    35,253.76/48,648.56 = 21,114.40/x
  3. Step 3: Cross multiply
    35,253.76x = 48,648.56 × 21,114.40
  4. Step 4: Simplify right side
    35,253.76x = 1,027,185,155.26
  5. Step 5: Solve for x
    x = 1,027,185,155.26/35,253.76
  6. Step 6: Final answer
    x = 29,136.90

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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.