Home / 51,239.55-70,710.96-28,580.02

Finding the Fourth Proportional to 51,239.55, 70,710.96 and 28,580.02

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Solution

The fourth proportional to 51,239.55, 70,710.96 and 28,580.02 is: 39,440.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,239.55 : 70,710.96 = 28,580.02 : x
  2. Step 2: Convert to fraction form
    51,239.55/70,710.96 = 28,580.02/x
  3. Step 3: Cross multiply
    51,239.55x = 70,710.96 × 28,580.02
  4. Step 4: Simplify right side
    51,239.55x = 2,020,920,651.02
  5. Step 5: Solve for x
    x = 2,020,920,651.02/51,239.55
  6. Step 6: Final answer
    x = 39,440.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.