Home / 50,987.90-70,361.84-29,184.72

Finding the Fourth Proportional to 50,987.90, 70,361.84 and 29,184.72

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Solution

The fourth proportional to 50,987.90, 70,361.84 and 29,184.72 is: 40,274.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,987.90 : 70,361.84 = 29,184.72 : x
  2. Step 2: Convert to fraction form
    50,987.90/70,361.84 = 29,184.72/x
  3. Step 3: Cross multiply
    50,987.90x = 70,361.84 × 29,184.72
  4. Step 4: Simplify right side
    50,987.90x = 2,053,490,599.08
  5. Step 5: Solve for x
    x = 2,053,490,599.08/50,987.90
  6. Step 6: Final answer
    x = 40,274.08

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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.