Home / 51,989.06-77,980.52-14,548.30

Finding the Fourth Proportional to 51,989.06, 77,980.52 and 14,548.30

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Solution

The fourth proportional to 51,989.06, 77,980.52 and 14,548.30 is: 21,821.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,989.06 : 77,980.52 = 14,548.30 : x
  2. Step 2: Convert to fraction form
    51,989.06/77,980.52 = 14,548.30/x
  3. Step 3: Cross multiply
    51,989.06x = 77,980.52 × 14,548.30
  4. Step 4: Simplify right side
    51,989.06x = 1,134,483,840.54
  5. Step 5: Solve for x
    x = 1,134,483,840.54/51,989.06
  6. Step 6: Final answer
    x = 21,821.59

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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.