Home / 50,915.16-70,261.02-28,557.72

Finding the Fourth Proportional to 50,915.16, 70,261.02 and 28,557.72

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Solution

The fourth proportional to 50,915.16, 70,261.02 and 28,557.72 is: 39,408.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,915.16 : 70,261.02 = 28,557.72 : x
  2. Step 2: Convert to fraction form
    50,915.16/70,261.02 = 28,557.72/x
  3. Step 3: Cross multiply
    50,915.16x = 70,261.02 × 28,557.72
  4. Step 4: Simplify right side
    50,915.16x = 2,006,494,536.07
  5. Step 5: Solve for x
    x = 2,006,494,536.07/50,915.16
  6. Step 6: Final answer
    x = 39,408.59

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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.