Home / 34,150.40-51,221.28-10,779.20

Finding the Fourth Proportional to 34,150.40, 51,221.28 and 10,779.20

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Solution

The fourth proportional to 34,150.40, 51,221.28 and 10,779.20 is: 16,167.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,150.40 : 51,221.28 = 10,779.20 : x
  2. Step 2: Convert to fraction form
    34,150.40/51,221.28 = 10,779.20/x
  3. Step 3: Cross multiply
    34,150.40x = 51,221.28 × 10,779.20
  4. Step 4: Simplify right side
    34,150.40x = 552,124,421.38
  5. Step 5: Solve for x
    x = 552,124,421.38/34,150.40
  6. Step 6: Final answer
    x = 16,167.44

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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.