Home / 35,342.28-48,752.01-21,186.90

Finding the Fourth Proportional to 35,342.28, 48,752.01 and 21,186.90

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Solution

The fourth proportional to 35,342.28, 48,752.01 and 21,186.90 is: 29,225.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,342.28 : 48,752.01 = 21,186.90 : x
  2. Step 2: Convert to fraction form
    35,342.28/48,752.01 = 21,186.90/x
  3. Step 3: Cross multiply
    35,342.28x = 48,752.01 × 21,186.90
  4. Step 4: Simplify right side
    35,342.28x = 1,032,903,960.67
  5. Step 5: Solve for x
    x = 1,032,903,960.67/35,342.28
  6. Step 6: Final answer
    x = 29,225.73

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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.