Home / 43,166.91-64,733.34-20,973.72

Finding the Fourth Proportional to 43,166.91, 64,733.34 and 20,973.72

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Solution

The fourth proportional to 43,166.91, 64,733.34 and 20,973.72 is: 31,452.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,166.91 : 64,733.34 = 20,973.72 : x
  2. Step 2: Convert to fraction form
    43,166.91/64,733.34 = 20,973.72/x
  3. Step 3: Cross multiply
    43,166.91x = 64,733.34 × 20,973.72
  4. Step 4: Simplify right side
    43,166.91x = 1,357,698,947.82
  5. Step 5: Solve for x
    x = 1,357,698,947.82/43,166.91
  6. Step 6: Final answer
    x = 31,452.31

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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.