Home / 35,916.81-49,563.66-20,000.85

Finding the Fourth Proportional to 35,916.81, 49,563.66 and 20,000.85

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Solution

The fourth proportional to 35,916.81, 49,563.66 and 20,000.85 is: 27,600.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,916.81 : 49,563.66 = 20,000.85 : x
  2. Step 2: Convert to fraction form
    35,916.81/49,563.66 = 20,000.85/x
  3. Step 3: Cross multiply
    35,916.81x = 49,563.66 × 20,000.85
  4. Step 4: Simplify right side
    35,916.81x = 991,315,329.11
  5. Step 5: Solve for x
    x = 991,315,329.11/35,916.81
  6. Step 6: Final answer
    x = 27,600.32

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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.