Home / 48,620.08-67,118.11-28,474.16

Finding the Fourth Proportional to 48,620.08, 67,118.11 and 28,474.16

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Solution

The fourth proportional to 48,620.08, 67,118.11 and 28,474.16 is: 39,307.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,620.08 : 67,118.11 = 28,474.16 : x
  2. Step 2: Convert to fraction form
    48,620.08/67,118.11 = 28,474.16/x
  3. Step 3: Cross multiply
    48,620.08x = 67,118.11 × 28,474.16
  4. Step 4: Simplify right side
    48,620.08x = 1,911,131,803.04
  5. Step 5: Solve for x
    x = 1,911,131,803.04/48,620.08
  6. Step 6: Final answer
    x = 39,307.46

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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.