Home / 48,631.52-72,918.08-19,014.07

Finding the Fourth Proportional to 48,631.52, 72,918.08 and 19,014.07

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Solution

The fourth proportional to 48,631.52, 72,918.08 and 19,014.07 is: 28,509.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,631.52 : 72,918.08 = 19,014.07 : x
  2. Step 2: Convert to fraction form
    48,631.52/72,918.08 = 19,014.07/x
  3. Step 3: Cross multiply
    48,631.52x = 72,918.08 × 19,014.07
  4. Step 4: Simplify right side
    48,631.52x = 1,386,469,017.72
  5. Step 5: Solve for x
    x = 1,386,469,017.72/48,631.52
  6. Step 6: Final answer
    x = 28,509.68

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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.