Home / 34,785.36-48,003.81-19,677.70

Finding the Fourth Proportional to 34,785.36, 48,003.81 and 19,677.70

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Solution

The fourth proportional to 34,785.36, 48,003.81 and 19,677.70 is: 27,155.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,785.36 : 48,003.81 = 19,677.70 : x
  2. Step 2: Convert to fraction form
    34,785.36/48,003.81 = 19,677.70/x
  3. Step 3: Cross multiply
    34,785.36x = 48,003.81 × 19,677.70
  4. Step 4: Simplify right side
    34,785.36x = 944,604,473.65
  5. Step 5: Solve for x
    x = 944,604,473.65/34,785.36
  6. Step 6: Final answer
    x = 27,155.23

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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.