Home / 39,432.14-59,149.53-12,777.38

Finding the Fourth Proportional to 39,432.14, 59,149.53 and 12,777.38

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Solution

The fourth proportional to 39,432.14, 59,149.53 and 12,777.38 is: 19,166.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,432.14 : 59,149.53 = 12,777.38 : x
  2. Step 2: Convert to fraction form
    39,432.14/59,149.53 = 12,777.38/x
  3. Step 3: Cross multiply
    39,432.14x = 59,149.53 × 12,777.38
  4. Step 4: Simplify right side
    39,432.14x = 755,776,021.63
  5. Step 5: Solve for x
    x = 755,776,021.63/39,432.14
  6. Step 6: Final answer
    x = 19,166.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.