Home / 53,031.88-79,530.99-17,963.32

Finding the Fourth Proportional to 53,031.88, 79,530.99 and 17,963.32

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Solution

The fourth proportional to 53,031.88, 79,530.99 and 17,963.32 is: 26,939.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,031.88 : 79,530.99 = 17,963.32 : x
  2. Step 2: Convert to fraction form
    53,031.88/79,530.99 = 17,963.32/x
  3. Step 3: Cross multiply
    53,031.88x = 79,530.99 × 17,963.32
  4. Step 4: Simplify right side
    53,031.88x = 1,428,640,623.29
  5. Step 5: Solve for x
    x = 1,428,640,623.29/53,031.88
  6. Step 6: Final answer
    x = 26,939.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.