Home / 32,806.16-45,276.56-20,724.24

Finding the Fourth Proportional to 32,806.16, 45,276.56 and 20,724.24

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Solution

The fourth proportional to 32,806.16, 45,276.56 and 20,724.24 is: 28,602.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,806.16 : 45,276.56 = 20,724.24 : x
  2. Step 2: Convert to fraction form
    32,806.16/45,276.56 = 20,724.24/x
  3. Step 3: Cross multiply
    32,806.16x = 45,276.56 × 20,724.24
  4. Step 4: Simplify right side
    32,806.16x = 938,322,295.81
  5. Step 5: Solve for x
    x = 938,322,295.81/32,806.16
  6. Step 6: Final answer
    x = 28,602.02

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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.