Home / 53,237.77-79,839.38-17,689.55

Finding the Fourth Proportional to 53,237.77, 79,839.38 and 17,689.55

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Solution

The fourth proportional to 53,237.77, 79,839.38 and 17,689.55 is: 26,528.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,237.77 : 79,839.38 = 17,689.55 : x
  2. Step 2: Convert to fraction form
    53,237.77/79,839.38 = 17,689.55/x
  3. Step 3: Cross multiply
    53,237.77x = 79,839.38 × 17,689.55
  4. Step 4: Simplify right side
    53,237.77x = 1,412,322,349.51
  5. Step 5: Solve for x
    x = 1,412,322,349.51/53,237.77
  6. Step 6: Final answer
    x = 26,528.58

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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.