Home / 37,943.40-56,915.10-28,101.90

Finding the Fourth Proportional to 37,943.40, 56,915.10 and 28,101.90

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Solution

The fourth proportional to 37,943.40, 56,915.10 and 28,101.90 is: 42,152.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,943.40 : 56,915.10 = 28,101.90 : x
  2. Step 2: Convert to fraction form
    37,943.40/56,915.10 = 28,101.90/x
  3. Step 3: Cross multiply
    37,943.40x = 56,915.10 × 28,101.90
  4. Step 4: Simplify right side
    37,943.40x = 1,599,422,448.69
  5. Step 5: Solve for x
    x = 1,599,422,448.69/37,943.40
  6. Step 6: Final answer
    x = 42,152.85

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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.