Home / 48,029.32-72,013.18-19,968.84

Finding the Fourth Proportional to 48,029.32, 72,013.18 and 19,968.84

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Solution

The fourth proportional to 48,029.32, 72,013.18 and 19,968.84 is: 29,940.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,029.32 : 72,013.18 = 19,968.84 : x
  2. Step 2: Convert to fraction form
    48,029.32/72,013.18 = 19,968.84/x
  3. Step 3: Cross multiply
    48,029.32x = 72,013.18 × 19,968.84
  4. Step 4: Simplify right side
    48,029.32x = 1,438,019,669.31
  5. Step 5: Solve for x
    x = 1,438,019,669.31/48,029.32
  6. Step 6: Final answer
    x = 29,940.45

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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.