Home / 48,778.04-67,312.32-28,634.60

Finding the Fourth Proportional to 48,778.04, 67,312.32 and 28,634.60

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Solution

The fourth proportional to 48,778.04, 67,312.32 and 28,634.60 is: 39,514.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,778.04 : 67,312.32 = 28,634.60 : x
  2. Step 2: Convert to fraction form
    48,778.04/67,312.32 = 28,634.60/x
  3. Step 3: Cross multiply
    48,778.04x = 67,312.32 × 28,634.60
  4. Step 4: Simplify right side
    48,778.04x = 1,927,461,358.27
  5. Step 5: Solve for x
    x = 1,927,461,358.27/48,778.04
  6. Step 6: Final answer
    x = 39,514.94

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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.