Home / 37,412.57-51,630.43-20,417.91

Finding the Fourth Proportional to 37,412.57, 51,630.43 and 20,417.91

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Solution

The fourth proportional to 37,412.57, 51,630.43 and 20,417.91 is: 28,177.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,412.57 : 51,630.43 = 20,417.91 : x
  2. Step 2: Convert to fraction form
    37,412.57/51,630.43 = 20,417.91/x
  3. Step 3: Cross multiply
    37,412.57x = 51,630.43 × 20,417.91
  4. Step 4: Simplify right side
    37,412.57x = 1,054,185,269.08
  5. Step 5: Solve for x
    x = 1,054,185,269.08/37,412.57
  6. Step 6: Final answer
    x = 28,177.30

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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.