Home / 35,729.40-53,555.70-13,534.20

Finding the Fourth Proportional to 35,729.40, 53,555.70 and 13,534.20

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Solution

The fourth proportional to 35,729.40, 53,555.70 and 13,534.20 is: 20,286.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,729.40 : 53,555.70 = 13,534.20 : x
  2. Step 2: Convert to fraction form
    35,729.40/53,555.70 = 13,534.20/x
  3. Step 3: Cross multiply
    35,729.40x = 53,555.70 × 13,534.20
  4. Step 4: Simplify right side
    35,729.40x = 724,833,554.94
  5. Step 5: Solve for x
    x = 724,833,554.94/35,729.40
  6. Step 6: Final answer
    x = 20,286.75

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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.