Home / 51,538.35-77,329.53-21,970.11

Finding the Fourth Proportional to 51,538.35, 77,329.53 and 21,970.11

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Solution

The fourth proportional to 51,538.35, 77,329.53 and 21,970.11 is: 32,964.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,538.35 : 77,329.53 = 21,970.11 : x
  2. Step 2: Convert to fraction form
    51,538.35/77,329.53 = 21,970.11/x
  3. Step 3: Cross multiply
    51,538.35x = 77,329.53 × 21,970.11
  4. Step 4: Simplify right side
    51,538.35x = 1,698,938,280.35
  5. Step 5: Solve for x
    x = 1,698,938,280.35/51,538.35
  6. Step 6: Final answer
    x = 32,964.55

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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.