Home / 40,740.71-61,108.43-14,085.95

Finding the Fourth Proportional to 40,740.71, 61,108.43 and 14,085.95

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Solution

The fourth proportional to 40,740.71, 61,108.43 and 14,085.95 is: 21,128.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,740.71 : 61,108.43 = 14,085.95 : x
  2. Step 2: Convert to fraction form
    40,740.71/61,108.43 = 14,085.95/x
  3. Step 3: Cross multiply
    40,740.71x = 61,108.43 × 14,085.95
  4. Step 4: Simplify right side
    40,740.71x = 860,769,913.59
  5. Step 5: Solve for x
    x = 860,769,913.59/40,740.71
  6. Step 6: Final answer
    x = 21,128.01

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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.