Home / 39,776.02-59,663.76-12,074.02

Finding the Fourth Proportional to 39,776.02, 59,663.76 and 12,074.02

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Solution

The fourth proportional to 39,776.02, 59,663.76 and 12,074.02 is: 18,110.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,776.02 : 59,663.76 = 12,074.02 : x
  2. Step 2: Convert to fraction form
    39,776.02/59,663.76 = 12,074.02/x
  3. Step 3: Cross multiply
    39,776.02x = 59,663.76 × 12,074.02
  4. Step 4: Simplify right side
    39,776.02x = 720,381,431.52
  5. Step 5: Solve for x
    x = 720,381,431.52/39,776.02
  6. Step 6: Final answer
    x = 18,110.95

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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.