Home / 30,777.24-42,472.08-17,348.52

Finding the Fourth Proportional to 30,777.24, 42,472.08 and 17,348.52

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Solution

The fourth proportional to 30,777.24, 42,472.08 and 17,348.52 is: 23,940.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,777.24 : 42,472.08 = 17,348.52 : x
  2. Step 2: Convert to fraction form
    30,777.24/42,472.08 = 17,348.52/x
  3. Step 3: Cross multiply
    30,777.24x = 42,472.08 × 17,348.52
  4. Step 4: Simplify right side
    30,777.24x = 736,827,729.32
  5. Step 5: Solve for x
    x = 736,827,729.32/30,777.24
  6. Step 6: Final answer
    x = 23,940.67

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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.