Home / 51,267.69-70,749.63-28,607.67

Finding the Fourth Proportional to 51,267.69, 70,749.63 and 28,607.67

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Solution

The fourth proportional to 51,267.69, 70,749.63 and 28,607.67 is: 39,478.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,267.69 : 70,749.63 = 28,607.67 : x
  2. Step 2: Convert to fraction form
    51,267.69/70,749.63 = 28,607.67/x
  3. Step 3: Cross multiply
    51,267.69x = 70,749.63 × 28,607.67
  4. Step 4: Simplify right side
    51,267.69x = 2,023,982,067.66
  5. Step 5: Solve for x
    x = 2,023,982,067.66/51,267.69
  6. Step 6: Final answer
    x = 39,478.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.