Home / 35,635.60-53,438.36-10,679.20

Finding the Fourth Proportional to 35,635.60, 53,438.36 and 10,679.20

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Solution

The fourth proportional to 35,635.60, 53,438.36 and 10,679.20 is: 16,014.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,635.60 : 53,438.36 = 10,679.20 : x
  2. Step 2: Convert to fraction form
    35,635.60/53,438.36 = 10,679.20/x
  3. Step 3: Cross multiply
    35,635.60x = 53,438.36 × 10,679.20
  4. Step 4: Simplify right side
    35,635.60x = 570,678,934.11
  5. Step 5: Solve for x
    x = 570,678,934.11/35,635.60
  6. Step 6: Final answer
    x = 16,014.29

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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.