Home / 51,440.76-77,145.44-18,153.06

Finding the Fourth Proportional to 51,440.76, 77,145.44 and 18,153.06

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Solution

The fourth proportional to 51,440.76, 77,145.44 and 18,153.06 is: 27,224.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,440.76 : 77,145.44 = 18,153.06 : x
  2. Step 2: Convert to fraction form
    51,440.76/77,145.44 = 18,153.06/x
  3. Step 3: Cross multiply
    51,440.76x = 77,145.44 × 18,153.06
  4. Step 4: Simplify right side
    51,440.76x = 1,400,425,710.28
  5. Step 5: Solve for x
    x = 1,400,425,710.28/51,440.76
  6. Step 6: Final answer
    x = 27,224.05

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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.