Home / 35,918.02-49,564.51-20,809.45

Finding the Fourth Proportional to 35,918.02, 49,564.51 and 20,809.45

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Solution

The fourth proportional to 35,918.02, 49,564.51 and 20,809.45 is: 28,715.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,918.02 : 49,564.51 = 20,809.45 : x
  2. Step 2: Convert to fraction form
    35,918.02/49,564.51 = 20,809.45/x
  3. Step 3: Cross multiply
    35,918.02x = 49,564.51 × 20,809.45
  4. Step 4: Simplify right side
    35,918.02x = 1,031,410,192.62
  5. Step 5: Solve for x
    x = 1,031,410,192.62/35,918.02
  6. Step 6: Final answer
    x = 28,715.68

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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.