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Finding the Fourth Proportional to 57,064.59, 85,580.16 and 21,500.25

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Solution

The fourth proportional to 57,064.59, 85,580.16 and 21,500.25 is: 32,244.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,064.59 : 85,580.16 = 21,500.25 : x
  2. Step 2: Convert to fraction form
    57,064.59/85,580.16 = 21,500.25/x
  3. Step 3: Cross multiply
    57,064.59x = 85,580.16 × 21,500.25
  4. Step 4: Simplify right side
    57,064.59x = 1,839,994,835.04
  5. Step 5: Solve for x
    x = 1,839,994,835.04/57,064.59
  6. Step 6: Final answer
    x = 32,244.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.