Home / 35,389.18-53,043.53-18,496.15

Finding the Fourth Proportional to 35,389.18, 53,043.53 and 18,496.15

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Solution

The fourth proportional to 35,389.18, 53,043.53 and 18,496.15 is: 27,723.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,389.18 : 53,043.53 = 18,496.15 : x
  2. Step 2: Convert to fraction form
    35,389.18/53,043.53 = 18,496.15/x
  3. Step 3: Cross multiply
    35,389.18x = 53,043.53 × 18,496.15
  4. Step 4: Simplify right side
    35,389.18x = 981,101,087.41
  5. Step 5: Solve for x
    x = 981,101,087.41/35,389.18
  6. Step 6: Final answer
    x = 27,723.19

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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.