Home / 31,495.14-43,448.13-19,572.48

Finding the Fourth Proportional to 31,495.14, 43,448.13 and 19,572.48

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Solution

The fourth proportional to 31,495.14, 43,448.13 and 19,572.48 is: 27,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,495.14 : 43,448.13 = 19,572.48 : x
  2. Step 2: Convert to fraction form
    31,495.14/43,448.13 = 19,572.48/x
  3. Step 3: Cross multiply
    31,495.14x = 43,448.13 × 19,572.48
  4. Step 4: Simplify right side
    31,495.14x = 850,387,655.46
  5. Step 5: Solve for x
    x = 850,387,655.46/31,495.14
  6. Step 6: Final answer
    x = 27,000.60

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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.