Home / 53,609.97-73,985.10-30,953.13

Finding the Fourth Proportional to 53,609.97, 73,985.10 and 30,953.13

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Solution

The fourth proportional to 53,609.97, 73,985.10 and 30,953.13 is: 42,717.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,609.97 : 73,985.10 = 30,953.13 : x
  2. Step 2: Convert to fraction form
    53,609.97/73,985.10 = 30,953.13/x
  3. Step 3: Cross multiply
    53,609.97x = 73,985.10 × 30,953.13
  4. Step 4: Simplify right side
    53,609.97x = 2,290,070,418.36
  5. Step 5: Solve for x
    x = 2,290,070,418.36/53,609.97
  6. Step 6: Final answer
    x = 42,717.25

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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.