Home / 40,485.52-55,870.86-22,581.28

Finding the Fourth Proportional to 40,485.52, 55,870.86 and 22,581.28

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Solution

The fourth proportional to 40,485.52, 55,870.86 and 22,581.28 is: 31,162.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,485.52 : 55,870.86 = 22,581.28 : x
  2. Step 2: Convert to fraction form
    40,485.52/55,870.86 = 22,581.28/x
  3. Step 3: Cross multiply
    40,485.52x = 55,870.86 × 22,581.28
  4. Step 4: Simplify right side
    40,485.52x = 1,261,635,533.50
  5. Step 5: Solve for x
    x = 1,261,635,533.50/40,485.52
  6. Step 6: Final answer
    x = 31,162.64

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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.