Home / 53,006.13-73,143.89-31,200.09

Finding the Fourth Proportional to 53,006.13, 73,143.89 and 31,200.09

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Solution

The fourth proportional to 53,006.13, 73,143.89 and 31,200.09 is: 43,053.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,006.13 : 73,143.89 = 31,200.09 : x
  2. Step 2: Convert to fraction form
    53,006.13/73,143.89 = 31,200.09/x
  3. Step 3: Cross multiply
    53,006.13x = 73,143.89 × 31,200.09
  4. Step 4: Simplify right side
    53,006.13x = 2,282,095,950.95
  5. Step 5: Solve for x
    x = 2,282,095,950.95/53,006.13
  6. Step 6: Final answer
    x = 43,053.43

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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.