Home / 32,763.83-45,182.88-21,429.77

Finding the Fourth Proportional to 32,763.83, 45,182.88 and 21,429.77

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Solution

The fourth proportional to 32,763.83, 45,182.88 and 21,429.77 is: 29,552.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,763.83 : 45,182.88 = 21,429.77 : x
  2. Step 2: Convert to fraction form
    32,763.83/45,182.88 = 21,429.77/x
  3. Step 3: Cross multiply
    32,763.83x = 45,182.88 × 21,429.77
  4. Step 4: Simplify right side
    32,763.83x = 968,258,500.42
  5. Step 5: Solve for x
    x = 968,258,500.42/32,763.83
  6. Step 6: Final answer
    x = 29,552.67

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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.