Home / 35,656.70-49,206.93-21,331.28

Finding the Fourth Proportional to 35,656.70, 49,206.93 and 21,331.28

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Solution

The fourth proportional to 35,656.70, 49,206.93 and 21,331.28 is: 29,437.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,656.70 : 49,206.93 = 21,331.28 : x
  2. Step 2: Convert to fraction form
    35,656.70/49,206.93 = 21,331.28/x
  3. Step 3: Cross multiply
    35,656.70x = 49,206.93 × 21,331.28
  4. Step 4: Simplify right side
    35,656.70x = 1,049,646,801.77
  5. Step 5: Solve for x
    x = 1,049,646,801.77/35,656.70
  6. Step 6: Final answer
    x = 29,437.58

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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.