Home / 57,202.59-85,812.12-21,677.34

Finding the Fourth Proportional to 57,202.59, 85,812.12 and 21,677.34

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Solution

The fourth proportional to 57,202.59, 85,812.12 and 21,677.34 is: 32,519.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,202.59 : 85,812.12 = 21,677.34 : x
  2. Step 2: Convert to fraction form
    57,202.59/85,812.12 = 21,677.34/x
  3. Step 3: Cross multiply
    57,202.59x = 85,812.12 × 21,677.34
  4. Step 4: Simplify right side
    57,202.59x = 1,860,178,501.36
  5. Step 5: Solve for x
    x = 1,860,178,501.36/57,202.59
  6. Step 6: Final answer
    x = 32,519.13

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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.