Home / 48,718.99-67,216.90-28,576.72

Finding the Fourth Proportional to 48,718.99, 67,216.90 and 28,576.72

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Solution

The fourth proportional to 48,718.99, 67,216.90 and 28,576.72 is: 39,426.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,718.99 : 67,216.90 = 28,576.72 : x
  2. Step 2: Convert to fraction form
    48,718.99/67,216.90 = 28,576.72/x
  3. Step 3: Cross multiply
    48,718.99x = 67,216.90 × 28,576.72
  4. Step 4: Simplify right side
    48,718.99x = 1,920,838,530.57
  5. Step 5: Solve for x
    x = 1,920,838,530.57/48,718.99
  6. Step 6: Final answer
    x = 39,426.90

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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.