Home / 35,330.48-48,758.24-20,222.79

Finding the Fourth Proportional to 35,330.48, 48,758.24 and 20,222.79

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Solution

The fourth proportional to 35,330.48, 48,758.24 and 20,222.79 is: 27,908.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,330.48 : 48,758.24 = 20,222.79 : x
  2. Step 2: Convert to fraction form
    35,330.48/48,758.24 = 20,222.79/x
  3. Step 3: Cross multiply
    35,330.48x = 48,758.24 × 20,222.79
  4. Step 4: Simplify right side
    35,330.48x = 986,027,547.18
  5. Step 5: Solve for x
    x = 986,027,547.18/35,330.48
  6. Step 6: Final answer
    x = 27,908.69

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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.