Home / 32,813.17-45,285.58-20,074.84

Finding the Fourth Proportional to 32,813.17, 45,285.58 and 20,074.84

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Solution

The fourth proportional to 32,813.17, 45,285.58 and 20,074.84 is: 27,705.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,813.17 : 45,285.58 = 20,074.84 : x
  2. Step 2: Convert to fraction form
    32,813.17/45,285.58 = 20,074.84/x
  3. Step 3: Cross multiply
    32,813.17x = 45,285.58 × 20,074.84
  4. Step 4: Simplify right side
    32,813.17x = 909,100,772.81
  5. Step 5: Solve for x
    x = 909,100,772.81/32,813.17
  6. Step 6: Final answer
    x = 27,705.36

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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.