Home / 35,338.56-48,769.52-21,918.74

Finding the Fourth Proportional to 35,338.56, 48,769.52 and 21,918.74

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Solution

The fourth proportional to 35,338.56, 48,769.52 and 21,918.74 is: 30,249.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,338.56 : 48,769.52 = 21,918.74 : x
  2. Step 2: Convert to fraction form
    35,338.56/48,769.52 = 21,918.74/x
  3. Step 3: Cross multiply
    35,338.56x = 48,769.52 × 21,918.74
  4. Step 4: Simplify right side
    35,338.56x = 1,068,966,075.36
  5. Step 5: Solve for x
    x = 1,068,966,075.36/35,338.56
  6. Step 6: Final answer
    x = 30,249.28

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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.