Home / 40,829.04-61,282.44-20,853.63

Finding the Fourth Proportional to 40,829.04, 61,282.44 and 20,853.63

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Solution

The fourth proportional to 40,829.04, 61,282.44 and 20,853.63 is: 31,300.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,829.04 : 61,282.44 = 20,853.63 : x
  2. Step 2: Convert to fraction form
    40,829.04/61,282.44 = 20,853.63/x
  3. Step 3: Cross multiply
    40,829.04x = 61,282.44 × 20,853.63
  4. Step 4: Simplify right side
    40,829.04x = 1,277,961,329.26
  5. Step 5: Solve for x
    x = 1,277,961,329.26/40,829.04
  6. Step 6: Final answer
    x = 31,300.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.