Home / 32,710.32-45,139.68-18,370.28

Finding the Fourth Proportional to 32,710.32, 45,139.68 and 18,370.28

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Solution

The fourth proportional to 32,710.32, 45,139.68 and 18,370.28 is: 25,350.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,710.32 : 45,139.68 = 18,370.28 : x
  2. Step 2: Convert to fraction form
    32,710.32/45,139.68 = 18,370.28/x
  3. Step 3: Cross multiply
    32,710.32x = 45,139.68 × 18,370.28
  4. Step 4: Simplify right side
    32,710.32x = 829,228,673.56
  5. Step 5: Solve for x
    x = 829,228,673.56/32,710.32
  6. Step 6: Final answer
    x = 25,350.67

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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.