Home / 35,353.44-53,017.20-10,387.08

Finding the Fourth Proportional to 35,353.44, 53,017.20 and 10,387.08

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Solution

The fourth proportional to 35,353.44, 53,017.20 and 10,387.08 is: 15,576.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,353.44 : 53,017.20 = 10,387.08 : x
  2. Step 2: Convert to fraction form
    35,353.44/53,017.20 = 10,387.08/x
  3. Step 3: Cross multiply
    35,353.44x = 53,017.20 × 10,387.08
  4. Step 4: Simplify right side
    35,353.44x = 550,693,897.78
  5. Step 5: Solve for x
    x = 550,693,897.78/35,353.44
  6. Step 6: Final answer
    x = 15,576.81

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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.