Home / 56,335.12-84,518.57-28,221.23

Finding the Fourth Proportional to 56,335.12, 84,518.57 and 28,221.23

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Solution

The fourth proportional to 56,335.12, 84,518.57 and 28,221.23 is: 42,339.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,335.12 : 84,518.57 = 28,221.23 : x
  2. Step 2: Convert to fraction form
    56,335.12/84,518.57 = 28,221.23/x
  3. Step 3: Cross multiply
    56,335.12x = 84,518.57 × 28,221.23
  4. Step 4: Simplify right side
    56,335.12x = 2,385,218,285.09
  5. Step 5: Solve for x
    x = 2,385,218,285.09/56,335.12
  6. Step 6: Final answer
    x = 42,339.81

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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.