Home / 35,835.37-49,445.63-21,689.17

Finding the Fourth Proportional to 35,835.37, 49,445.63 and 21,689.17

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Solution

The fourth proportional to 35,835.37, 49,445.63 and 21,689.17 is: 29,926.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,835.37 : 49,445.63 = 21,689.17 : x
  2. Step 2: Convert to fraction form
    35,835.37/49,445.63 = 21,689.17/x
  3. Step 3: Cross multiply
    35,835.37x = 49,445.63 × 21,689.17
  4. Step 4: Simplify right side
    35,835.37x = 1,072,434,566.38
  5. Step 5: Solve for x
    x = 1,072,434,566.38/35,835.37
  6. Step 6: Final answer
    x = 29,926.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.