Home / 35,532.80-49,033.28-20,415.36

Finding the Fourth Proportional to 35,532.80, 49,033.28 and 20,415.36

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Solution

The fourth proportional to 35,532.80, 49,033.28 and 20,415.36 is: 28,172.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,532.80 : 49,033.28 = 20,415.36 : x
  2. Step 2: Convert to fraction form
    35,532.80/49,033.28 = 20,415.36/x
  3. Step 3: Cross multiply
    35,532.80x = 49,033.28 × 20,415.36
  4. Step 4: Simplify right side
    35,532.80x = 1,001,032,063.18
  5. Step 5: Solve for x
    x = 1,001,032,063.18/35,532.80
  6. Step 6: Final answer
    x = 28,172.06

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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.