Home / 51,506.34-77,259.51-28,120.02

Finding the Fourth Proportional to 51,506.34, 77,259.51 and 28,120.02

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Solution

The fourth proportional to 51,506.34, 77,259.51 and 28,120.02 is: 42,180.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,506.34 : 77,259.51 = 28,120.02 : x
  2. Step 2: Convert to fraction form
    51,506.34/77,259.51 = 28,120.02/x
  3. Step 3: Cross multiply
    51,506.34x = 77,259.51 × 28,120.02
  4. Step 4: Simplify right side
    51,506.34x = 2,172,538,966.39
  5. Step 5: Solve for x
    x = 2,172,538,966.39/51,506.34
  6. Step 6: Final answer
    x = 42,180.03

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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.