Home / 51,343.47-77,022.48-15,807.74

Finding the Fourth Proportional to 51,343.47, 77,022.48 and 15,807.74

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Solution

The fourth proportional to 51,343.47, 77,022.48 and 15,807.74 is: 23,713.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,343.47 : 77,022.48 = 15,807.74 : x
  2. Step 2: Convert to fraction form
    51,343.47/77,022.48 = 15,807.74/x
  3. Step 3: Cross multiply
    51,343.47x = 77,022.48 × 15,807.74
  4. Step 4: Simplify right side
    51,343.47x = 1,217,550,952.88
  5. Step 5: Solve for x
    x = 1,217,550,952.88/51,343.47
  6. Step 6: Final answer
    x = 23,713.84

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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.