Home / 40,929.80-61,394.70-14,635.40

Finding the Fourth Proportional to 40,929.80, 61,394.70 and 14,635.40

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Solution

The fourth proportional to 40,929.80, 61,394.70 and 14,635.40 is: 21,953.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,929.80 : 61,394.70 = 14,635.40 : x
  2. Step 2: Convert to fraction form
    40,929.80/61,394.70 = 14,635.40/x
  3. Step 3: Cross multiply
    40,929.80x = 61,394.70 × 14,635.40
  4. Step 4: Simplify right side
    40,929.80x = 898,535,992.38
  5. Step 5: Solve for x
    x = 898,535,992.38/40,929.80
  6. Step 6: Final answer
    x = 21,953.10

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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.