Home / 35,901.07-49,542.60-19,985.18

Finding the Fourth Proportional to 35,901.07, 49,542.60 and 19,985.18

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Solution

The fourth proportional to 35,901.07, 49,542.60 and 19,985.18 is: 27,579.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,901.07 : 49,542.60 = 19,985.18 : x
  2. Step 2: Convert to fraction form
    35,901.07/49,542.60 = 19,985.18/x
  3. Step 3: Cross multiply
    35,901.07x = 49,542.60 × 19,985.18
  4. Step 4: Simplify right side
    35,901.07x = 990,117,431.03
  5. Step 5: Solve for x
    x = 990,117,431.03/35,901.07
  6. Step 6: Final answer
    x = 27,579.05

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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.