Home / 53,305.47-73,561.05-29,431.62

Finding the Fourth Proportional to 53,305.47, 73,561.05 and 29,431.62

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Solution

The fourth proportional to 53,305.47, 73,561.05 and 29,431.62 is: 40,615.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,305.47 : 73,561.05 = 29,431.62 : x
  2. Step 2: Convert to fraction form
    53,305.47/73,561.05 = 29,431.62/x
  3. Step 3: Cross multiply
    53,305.47x = 73,561.05 × 29,431.62
  4. Step 4: Simplify right side
    53,305.47x = 2,165,020,870.40
  5. Step 5: Solve for x
    x = 2,165,020,870.40/53,305.47
  6. Step 6: Final answer
    x = 40,615.36

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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.