Home / 50,637.61-75,915.30-21,077.58

Finding the Fourth Proportional to 50,637.61, 75,915.30 and 21,077.58

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Solution

The fourth proportional to 50,637.61, 75,915.30 and 21,077.58 is: 31,599.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,637.61 : 75,915.30 = 21,077.58 : x
  2. Step 2: Convert to fraction form
    50,637.61/75,915.30 = 21,077.58/x
  3. Step 3: Cross multiply
    50,637.61x = 75,915.30 × 21,077.58
  4. Step 4: Simplify right side
    50,637.61x = 1,600,110,429.40
  5. Step 5: Solve for x
    x = 1,600,110,429.40/50,637.61
  6. Step 6: Final answer
    x = 31,599.25

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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.