Home / 35,378.26-53,062.44-13,188.76

Finding the Fourth Proportional to 35,378.26, 53,062.44 and 13,188.76

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Solution

The fourth proportional to 35,378.26, 53,062.44 and 13,188.76 is: 19,781.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,378.26 : 53,062.44 = 13,188.76 : x
  2. Step 2: Convert to fraction form
    35,378.26/53,062.44 = 13,188.76/x
  3. Step 3: Cross multiply
    35,378.26x = 53,062.44 × 13,188.76
  4. Step 4: Simplify right side
    35,378.26x = 699,827,786.17
  5. Step 5: Solve for x
    x = 699,827,786.17/35,378.26
  6. Step 6: Final answer
    x = 19,781.29

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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.