Home / 48,001.82-72,017.94-19,935.32

Finding the Fourth Proportional to 48,001.82, 72,017.94 and 19,935.32

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Solution

The fourth proportional to 48,001.82, 72,017.94 and 19,935.32 is: 29,909.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,001.82 : 72,017.94 = 19,935.32 : x
  2. Step 2: Convert to fraction form
    48,001.82/72,017.94 = 19,935.32/x
  3. Step 3: Cross multiply
    48,001.82x = 72,017.94 × 19,935.32
  4. Step 4: Simplify right side
    48,001.82x = 1,435,700,679.64
  5. Step 5: Solve for x
    x = 1,435,700,679.64/48,001.82
  6. Step 6: Final answer
    x = 29,909.30

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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.