Home / 49,130.40-73,695.95-21,026.78

Finding the Fourth Proportional to 49,130.40, 73,695.95 and 21,026.78

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Solution

The fourth proportional to 49,130.40, 73,695.95 and 21,026.78 is: 31,540.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,130.40 : 73,695.95 = 21,026.78 : x
  2. Step 2: Convert to fraction form
    49,130.40/73,695.95 = 21,026.78/x
  3. Step 3: Cross multiply
    49,130.40x = 73,695.95 × 21,026.78
  4. Step 4: Simplify right side
    49,130.40x = 1,549,588,053.93
  5. Step 5: Solve for x
    x = 1,549,588,053.93/49,130.40
  6. Step 6: Final answer
    x = 31,540.31

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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.