Home / 34,177.49-47,157.64-21,424.55

Finding the Fourth Proportional to 34,177.49, 47,157.64 and 21,424.55

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Solution

The fourth proportional to 34,177.49, 47,157.64 and 21,424.55 is: 29,561.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,177.49 : 47,157.64 = 21,424.55 : x
  2. Step 2: Convert to fraction form
    34,177.49/47,157.64 = 21,424.55/x
  3. Step 3: Cross multiply
    34,177.49x = 47,157.64 × 21,424.55
  4. Step 4: Simplify right side
    34,177.49x = 1,010,331,312.49
  5. Step 5: Solve for x
    x = 1,010,331,312.49/34,177.49
  6. Step 6: Final answer
    x = 29,561.30

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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.