Home / 56,380.06-84,465.68-28,267.30

Finding the Fourth Proportional to 56,380.06, 84,465.68 and 28,267.30

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Solution

The fourth proportional to 56,380.06, 84,465.68 and 28,267.30 is: 42,348.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,380.06 : 84,465.68 = 28,267.30 : x
  2. Step 2: Convert to fraction form
    56,380.06/84,465.68 = 28,267.30/x
  3. Step 3: Cross multiply
    56,380.06x = 84,465.68 × 28,267.30
  4. Step 4: Simplify right side
    56,380.06x = 2,387,616,293.94
  5. Step 5: Solve for x
    x = 2,387,616,293.94/56,380.06
  6. Step 6: Final answer
    x = 42,348.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.