Home / 49,402.49-74,050.67-21,335.77

Finding the Fourth Proportional to 49,402.49, 74,050.67 and 21,335.77

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Solution

The fourth proportional to 49,402.49, 74,050.67 and 21,335.77 is: 31,980.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,402.49 : 74,050.67 = 21,335.77 : x
  2. Step 2: Convert to fraction form
    49,402.49/74,050.67 = 21,335.77/x
  3. Step 3: Cross multiply
    49,402.49x = 74,050.67 × 21,335.77
  4. Step 4: Simplify right side
    49,402.49x = 1,579,927,656.05
  5. Step 5: Solve for x
    x = 1,579,927,656.05/49,402.49
  6. Step 6: Final answer
    x = 31,980.73

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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.