Home / 48,007.71-66,195.09-39,478.41

Finding the Fourth Proportional to 48,007.71, 66,195.09 and 39,478.41

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Solution

The fourth proportional to 48,007.71, 66,195.09 and 39,478.41 is: 54,434.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,007.71 : 66,195.09 = 39,478.41 : x
  2. Step 2: Convert to fraction form
    48,007.71/66,195.09 = 39,478.41/x
  3. Step 3: Cross multiply
    48,007.71x = 66,195.09 × 39,478.41
  4. Step 4: Simplify right side
    48,007.71x = 2,613,276,903.01
  5. Step 5: Solve for x
    x = 2,613,276,903.01/48,007.71
  6. Step 6: Final answer
    x = 54,434.53

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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.