Home / 55,296.28-76,284.60-37,384.78

Finding the Fourth Proportional to 55,296.28, 76,284.60 and 37,384.78

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Solution

The fourth proportional to 55,296.28, 76,284.60 and 37,384.78 is: 51,574.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,296.28 : 76,284.60 = 37,384.78 : x
  2. Step 2: Convert to fraction form
    55,296.28/76,284.60 = 37,384.78/x
  3. Step 3: Cross multiply
    55,296.28x = 76,284.60 × 37,384.78
  4. Step 4: Simplify right side
    55,296.28x = 2,851,882,988.39
  5. Step 5: Solve for x
    x = 2,851,882,988.39/55,296.28
  6. Step 6: Final answer
    x = 51,574.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.