Home / 48,554.85-67,005.66-28,415.57

Finding the Fourth Proportional to 48,554.85, 67,005.66 and 28,415.57

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Solution

The fourth proportional to 48,554.85, 67,005.66 and 28,415.57 is: 39,213.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,554.85 : 67,005.66 = 28,415.57 : x
  2. Step 2: Convert to fraction form
    48,554.85/67,005.66 = 28,415.57/x
  3. Step 3: Cross multiply
    48,554.85x = 67,005.66 × 28,415.57
  4. Step 4: Simplify right side
    48,554.85x = 1,904,003,870.74
  5. Step 5: Solve for x
    x = 1,904,003,870.74/48,554.85
  6. Step 6: Final answer
    x = 39,213.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.