Home / 53,391.51-73,681.82-29,519.72

Finding the Fourth Proportional to 53,391.51, 73,681.82 and 29,519.72

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Solution

The fourth proportional to 53,391.51, 73,681.82 and 29,519.72 is: 40,738.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,391.51 : 73,681.82 = 29,519.72 : x
  2. Step 2: Convert to fraction form
    53,391.51/73,681.82 = 29,519.72/x
  3. Step 3: Cross multiply
    53,391.51x = 73,681.82 × 29,519.72
  4. Step 4: Simplify right side
    53,391.51x = 2,175,066,695.49
  5. Step 5: Solve for x
    x = 2,175,066,695.49/53,391.51
  6. Step 6: Final answer
    x = 40,738.06

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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.