Home / 77,021.01-115,535.34-24,425.64

Finding the Fourth Proportional to 77,021.01, 115,535.34 and 24,425.64

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Solution

The fourth proportional to 77,021.01, 115,535.34 and 24,425.64 is: 36,639.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,021.01 : 115,535.34 = 24,425.64 : x
  2. Step 2: Convert to fraction form
    77,021.01/115,535.34 = 24,425.64/x
  3. Step 3: Cross multiply
    77,021.01x = 115,535.34 × 24,425.64
  4. Step 4: Simplify right side
    77,021.01x = 2,822,024,622.12
  5. Step 5: Solve for x
    x = 2,822,024,622.12/77,021.01
  6. Step 6: Final answer
    x = 36,639.67

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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.