Home / 34,785.12-48,003.48-19,677.45

Finding the Fourth Proportional to 34,785.12, 48,003.48 and 19,677.45

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Solution

The fourth proportional to 34,785.12, 48,003.48 and 19,677.45 is: 27,154.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,785.12 : 48,003.48 = 19,677.45 : x
  2. Step 2: Convert to fraction form
    34,785.12/48,003.48 = 19,677.45/x
  3. Step 3: Cross multiply
    34,785.12x = 48,003.48 × 19,677.45
  4. Step 4: Simplify right side
    34,785.12x = 944,586,077.53
  5. Step 5: Solve for x
    x = 944,586,077.53/34,785.12
  6. Step 6: Final answer
    x = 27,154.89

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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.