Home / 50,854.03-76,281.05-19,689.28

Finding the Fourth Proportional to 50,854.03, 76,281.05 and 19,689.28

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Solution

The fourth proportional to 50,854.03, 76,281.05 and 19,689.28 is: 29,533.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,854.03 : 76,281.05 = 19,689.28 : x
  2. Step 2: Convert to fraction form
    50,854.03/76,281.05 = 19,689.28/x
  3. Step 3: Cross multiply
    50,854.03x = 76,281.05 × 19,689.28
  4. Step 4: Simplify right side
    50,854.03x = 1,501,918,952.14
  5. Step 5: Solve for x
    x = 1,501,918,952.14/50,854.03
  6. Step 6: Final answer
    x = 29,533.92

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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.