Home / 56,951.12-85,426.79-19,511.51

Finding the Fourth Proportional to 56,951.12, 85,426.79 and 19,511.51

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Solution

The fourth proportional to 56,951.12, 85,426.79 and 19,511.51 is: 29,267.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,951.12 : 85,426.79 = 19,511.51 : x
  2. Step 2: Convert to fraction form
    56,951.12/85,426.79 = 19,511.51/x
  3. Step 3: Cross multiply
    56,951.12x = 85,426.79 × 19,511.51
  4. Step 4: Simplify right side
    56,951.12x = 1,666,805,142.66
  5. Step 5: Solve for x
    x = 1,666,805,142.66/56,951.12
  6. Step 6: Final answer
    x = 29,267.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.