Home / 40,718.95-56,190.59-22,813.05

Finding the Fourth Proportional to 40,718.95, 56,190.59 and 22,813.05

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Solution

The fourth proportional to 40,718.95, 56,190.59 and 22,813.05 is: 31,481.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,718.95 : 56,190.59 = 22,813.05 : x
  2. Step 2: Convert to fraction form
    40,718.95/56,190.59 = 22,813.05/x
  3. Step 3: Cross multiply
    40,718.95x = 56,190.59 × 22,813.05
  4. Step 4: Simplify right side
    40,718.95x = 1,281,878,739.20
  5. Step 5: Solve for x
    x = 1,281,878,739.20/40,718.95
  6. Step 6: Final answer
    x = 31,481.13

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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.