Home / 45,894.02-68,827.80-12,615.17

Finding the Fourth Proportional to 45,894.02, 68,827.80 and 12,615.17

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Solution

The fourth proportional to 45,894.02, 68,827.80 and 12,615.17 is: 18,919.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,894.02 : 68,827.80 = 12,615.17 : x
  2. Step 2: Convert to fraction form
    45,894.02/68,827.80 = 12,615.17/x
  3. Step 3: Cross multiply
    45,894.02x = 68,827.80 × 12,615.17
  4. Step 4: Simplify right side
    45,894.02x = 868,274,569.80
  5. Step 5: Solve for x
    x = 868,274,569.80/45,894.02
  6. Step 6: Final answer
    x = 18,919.12

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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.