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Finding the Fourth Proportional to 41,038.02, 61,566.55 and 12,960.86

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Solution

The fourth proportional to 41,038.02, 61,566.55 and 12,960.86 is: 19,444.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,038.02 : 61,566.55 = 12,960.86 : x
  2. Step 2: Convert to fraction form
    41,038.02/61,566.55 = 12,960.86/x
  3. Step 3: Cross multiply
    41,038.02x = 61,566.55 × 12,960.86
  4. Step 4: Simplify right side
    41,038.02x = 797,955,095.00
  5. Step 5: Solve for x
    x = 797,955,095.00/41,038.02
  6. Step 6: Final answer
    x = 19,444.29

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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.