Home / 51,608.04-77,356.02-21,641.64

Finding the Fourth Proportional to 51,608.04, 77,356.02 and 21,641.64

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Solution

The fourth proportional to 51,608.04, 77,356.02 and 21,641.64 is: 32,438.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,608.04 : 77,356.02 = 21,641.64 : x
  2. Step 2: Convert to fraction form
    51,608.04/77,356.02 = 21,641.64/x
  3. Step 3: Cross multiply
    51,608.04x = 77,356.02 × 21,641.64
  4. Step 4: Simplify right side
    51,608.04x = 1,674,111,136.67
  5. Step 5: Solve for x
    x = 1,674,111,136.67/51,608.04
  6. Step 6: Final answer
    x = 32,438.96

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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.