Home / 48,801.08-67,323.15-28,657.60

Finding the Fourth Proportional to 48,801.08, 67,323.15 and 28,657.60

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Solution

The fourth proportional to 48,801.08, 67,323.15 and 28,657.60 is: 39,534.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,801.08 : 67,323.15 = 28,657.60 : x
  2. Step 2: Convert to fraction form
    48,801.08/67,323.15 = 28,657.60/x
  3. Step 3: Cross multiply
    48,801.08x = 67,323.15 × 28,657.60
  4. Step 4: Simplify right side
    48,801.08x = 1,929,319,735.13
  5. Step 5: Solve for x
    x = 1,929,319,735.13/48,801.08
  6. Step 6: Final answer
    x = 39,534.36

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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.