Home / 45,890.99-68,835.67-12,610.92

Finding the Fourth Proportional to 45,890.99, 68,835.67 and 12,610.92

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Solution

The fourth proportional to 45,890.99, 68,835.67 and 12,610.92 is: 18,916.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,890.99 : 68,835.67 = 12,610.92 : x
  2. Step 2: Convert to fraction form
    45,890.99/68,835.67 = 12,610.92/x
  3. Step 3: Cross multiply
    45,890.99x = 68,835.67 × 12,610.92
  4. Step 4: Simplify right side
    45,890.99x = 868,081,127.52
  5. Step 5: Solve for x
    x = 868,081,127.52/45,890.99
  6. Step 6: Final answer
    x = 18,916.16

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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.