Home / 51,779.19-77,669.73-16,239.72

Finding the Fourth Proportional to 51,779.19, 77,669.73 and 16,239.72

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Solution

The fourth proportional to 51,779.19, 77,669.73 and 16,239.72 is: 24,359.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,779.19 : 77,669.73 = 16,239.72 : x
  2. Step 2: Convert to fraction form
    51,779.19/77,669.73 = 16,239.72/x
  3. Step 3: Cross multiply
    51,779.19x = 77,669.73 × 16,239.72
  4. Step 4: Simplify right side
    51,779.19x = 1,261,334,586.48
  5. Step 5: Solve for x
    x = 1,261,334,586.48/51,779.19
  6. Step 6: Final answer
    x = 24,359.87

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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.