Home / 35,901.36-49,541.49-19,985.40

Finding the Fourth Proportional to 35,901.36, 49,541.49 and 19,985.40

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Solution

The fourth proportional to 35,901.36, 49,541.49 and 19,985.40 is: 27,578.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,901.36 : 49,541.49 = 19,985.40 : x
  2. Step 2: Convert to fraction form
    35,901.36/49,541.49 = 19,985.40/x
  3. Step 3: Cross multiply
    35,901.36x = 49,541.49 × 19,985.40
  4. Step 4: Simplify right side
    35,901.36x = 990,106,494.25
  5. Step 5: Solve for x
    x = 990,106,494.25/35,901.36
  6. Step 6: Final answer
    x = 27,578.52

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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.