Home / 32,581.76-44,955.36-18,431.52

Finding the Fourth Proportional to 32,581.76, 44,955.36 and 18,431.52

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Solution

The fourth proportional to 32,581.76, 44,955.36 and 18,431.52 is: 25,431.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,581.76 : 44,955.36 = 18,431.52 : x
  2. Step 2: Convert to fraction form
    32,581.76/44,955.36 = 18,431.52/x
  3. Step 3: Cross multiply
    32,581.76x = 44,955.36 × 18,431.52
  4. Step 4: Simplify right side
    32,581.76x = 828,595,616.95
  5. Step 5: Solve for x
    x = 828,595,616.95/32,581.76
  6. Step 6: Final answer
    x = 25,431.27

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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.