Home / 48,629.13-67,113.53-28,215.68

Finding the Fourth Proportional to 48,629.13, 67,113.53 and 28,215.68

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Solution

The fourth proportional to 48,629.13, 67,113.53 and 28,215.68 is: 38,940.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,629.13 : 67,113.53 = 28,215.68 : x
  2. Step 2: Convert to fraction form
    48,629.13/67,113.53 = 28,215.68/x
  3. Step 3: Cross multiply
    48,629.13x = 67,113.53 × 28,215.68
  4. Step 4: Simplify right side
    48,629.13x = 1,893,653,409.50
  5. Step 5: Solve for x
    x = 1,893,653,409.50/48,629.13
  6. Step 6: Final answer
    x = 38,940.72

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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.