Home / 57,170.70-85,762.89-21,637.62

Finding the Fourth Proportional to 57,170.70, 85,762.89 and 21,637.62

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Solution

The fourth proportional to 57,170.70, 85,762.89 and 21,637.62 is: 32,459.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,170.70 : 85,762.89 = 21,637.62 : x
  2. Step 2: Convert to fraction form
    57,170.70/85,762.89 = 21,637.62/x
  3. Step 3: Cross multiply
    57,170.70x = 85,762.89 × 21,637.62
  4. Step 4: Simplify right side
    57,170.70x = 1,855,704,823.92
  5. Step 5: Solve for x
    x = 1,855,704,823.92/57,170.70
  6. Step 6: Final answer
    x = 32,459.02

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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.