Home / 37,642.41-51,946.60-20,646.79

Finding the Fourth Proportional to 37,642.41, 51,946.60 and 20,646.79

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Solution

The fourth proportional to 37,642.41, 51,946.60 and 20,646.79 is: 28,492.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,642.41 : 51,946.60 = 20,646.79 : x
  2. Step 2: Convert to fraction form
    37,642.41/51,946.60 = 20,646.79/x
  3. Step 3: Cross multiply
    37,642.41x = 51,946.60 × 20,646.79
  4. Step 4: Simplify right side
    37,642.41x = 1,072,530,541.41
  5. Step 5: Solve for x
    x = 1,072,530,541.41/37,642.41
  6. Step 6: Final answer
    x = 28,492.61

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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.