Home / 51,442.57-77,135.66-15,894.25

Finding the Fourth Proportional to 51,442.57, 77,135.66 and 15,894.25

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Solution

The fourth proportional to 51,442.57, 77,135.66 and 15,894.25 is: 23,832.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,442.57 : 77,135.66 = 15,894.25 : x
  2. Step 2: Convert to fraction form
    51,442.57/77,135.66 = 15,894.25/x
  3. Step 3: Cross multiply
    51,442.57x = 77,135.66 × 15,894.25
  4. Step 4: Simplify right side
    51,442.57x = 1,226,013,501.72
  5. Step 5: Solve for x
    x = 1,226,013,501.72/51,442.57
  6. Step 6: Final answer
    x = 23,832.67

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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.