Home / 39,161.70-58,752.56-12,866.67

Finding the Fourth Proportional to 39,161.70, 58,752.56 and 12,866.67

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Solution

The fourth proportional to 39,161.70, 58,752.56 and 12,866.67 is: 19,303.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,161.70 : 58,752.56 = 12,866.67 : x
  2. Step 2: Convert to fraction form
    39,161.70/58,752.56 = 12,866.67/x
  3. Step 3: Cross multiply
    39,161.70x = 58,752.56 × 12,866.67
  4. Step 4: Simplify right side
    39,161.70x = 755,949,801.18
  5. Step 5: Solve for x
    x = 755,949,801.18/39,161.70
  6. Step 6: Final answer
    x = 19,303.29

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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.