Home / 51,771.49-71,427.47-42,194.91

Finding the Fourth Proportional to 51,771.49, 71,427.47 and 42,194.91

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Solution

The fourth proportional to 51,771.49, 71,427.47 and 42,194.91 is: 58,214.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,771.49 : 71,427.47 = 42,194.91 : x
  2. Step 2: Convert to fraction form
    51,771.49/71,427.47 = 42,194.91/x
  3. Step 3: Cross multiply
    51,771.49x = 71,427.47 × 42,194.91
  4. Step 4: Simplify right side
    51,771.49x = 3,013,875,668.18
  5. Step 5: Solve for x
    x = 3,013,875,668.18/51,771.49
  6. Step 6: Final answer
    x = 58,214.97

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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.