Home / 52,783.97-72,847.13-30,126.40

Finding the Fourth Proportional to 52,783.97, 72,847.13 and 30,126.40

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Solution

The fourth proportional to 52,783.97, 72,847.13 and 30,126.40 is: 41,577.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,783.97 : 72,847.13 = 30,126.40 : x
  2. Step 2: Convert to fraction form
    52,783.97/72,847.13 = 30,126.40/x
  3. Step 3: Cross multiply
    52,783.97x = 72,847.13 × 30,126.40
  4. Step 4: Simplify right side
    52,783.97x = 2,194,621,444.48
  5. Step 5: Solve for x
    x = 2,194,621,444.48/52,783.97
  6. Step 6: Final answer
    x = 41,577.43

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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.