Home / 42,749.02-64,124.44-14,668.85

Finding the Fourth Proportional to 42,749.02, 64,124.44 and 14,668.85

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Solution

The fourth proportional to 42,749.02, 64,124.44 and 14,668.85 is: 22,003.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,749.02 : 64,124.44 = 14,668.85 : x
  2. Step 2: Convert to fraction form
    42,749.02/64,124.44 = 14,668.85/x
  3. Step 3: Cross multiply
    42,749.02x = 64,124.44 × 14,668.85
  4. Step 4: Simplify right side
    42,749.02x = 940,631,791.69
  5. Step 5: Solve for x
    x = 940,631,791.69/42,749.02
  6. Step 6: Final answer
    x = 22,003.59

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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.