Home / 35,928.78-49,566.81-21,389.99

Finding the Fourth Proportional to 35,928.78, 49,566.81 and 21,389.99

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Solution

The fourth proportional to 35,928.78, 49,566.81 and 21,389.99 is: 29,509.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,928.78 : 49,566.81 = 21,389.99 : x
  2. Step 2: Convert to fraction form
    35,928.78/49,566.81 = 21,389.99/x
  3. Step 3: Cross multiply
    35,928.78x = 49,566.81 × 21,389.99
  4. Step 4: Simplify right side
    35,928.78x = 1,060,233,322.40
  5. Step 5: Solve for x
    x = 1,060,233,322.40/35,928.78
  6. Step 6: Final answer
    x = 29,509.30

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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.