Home / 48,710.08-67,216.32-28,564.48

Finding the Fourth Proportional to 48,710.08, 67,216.32 and 28,564.48

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Solution

The fourth proportional to 48,710.08, 67,216.32 and 28,564.48 is: 39,416.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,710.08 : 67,216.32 = 28,564.48 : x
  2. Step 2: Convert to fraction form
    48,710.08/67,216.32 = 28,564.48/x
  3. Step 3: Cross multiply
    48,710.08x = 67,216.32 × 28,564.48
  4. Step 4: Simplify right side
    48,710.08x = 1,919,999,228.31
  5. Step 5: Solve for x
    x = 1,919,999,228.31/48,710.08
  6. Step 6: Final answer
    x = 39,416.88

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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.