Home / 57,178.87-85,772.52-15,058.67

Finding the Fourth Proportional to 57,178.87, 85,772.52 and 15,058.67

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Solution

The fourth proportional to 57,178.87, 85,772.52 and 15,058.67 is: 22,589.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,178.87 : 85,772.52 = 15,058.67 : x
  2. Step 2: Convert to fraction form
    57,178.87/85,772.52 = 15,058.67/x
  3. Step 3: Cross multiply
    57,178.87x = 85,772.52 × 15,058.67
  4. Step 4: Simplify right side
    57,178.87x = 1,291,619,644.89
  5. Step 5: Solve for x
    x = 1,291,619,644.89/57,178.87
  6. Step 6: Final answer
    x = 22,589.11

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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.