Home / 30,448.80-45,672.16-10,726.84

Finding the Fourth Proportional to 30,448.80, 45,672.16 and 10,726.84

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Solution

The fourth proportional to 30,448.80, 45,672.16 and 10,726.84 is: 16,089.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,448.80 : 45,672.16 = 10,726.84 : x
  2. Step 2: Convert to fraction form
    30,448.80/45,672.16 = 10,726.84/x
  3. Step 3: Cross multiply
    30,448.80x = 45,672.16 × 10,726.84
  4. Step 4: Simplify right side
    30,448.80x = 489,917,952.77
  5. Step 5: Solve for x
    x = 489,917,952.77/30,448.80
  6. Step 6: Final answer
    x = 16,089.89

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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.