Home / 51,707.02-77,560.83-18,428.38

Finding the Fourth Proportional to 51,707.02, 77,560.83 and 18,428.38

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Solution

The fourth proportional to 51,707.02, 77,560.83 and 18,428.38 is: 27,642.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,707.02 : 77,560.83 = 18,428.38 : x
  2. Step 2: Convert to fraction form
    51,707.02/77,560.83 = 18,428.38/x
  3. Step 3: Cross multiply
    51,707.02x = 77,560.83 × 18,428.38
  4. Step 4: Simplify right side
    51,707.02x = 1,429,320,448.36
  5. Step 5: Solve for x
    x = 1,429,320,448.36/51,707.02
  6. Step 6: Final answer
    x = 27,642.68

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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.