Home / 45,101.77-67,644.74-13,937.29

Finding the Fourth Proportional to 45,101.77, 67,644.74 and 13,937.29

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Solution

The fourth proportional to 45,101.77, 67,644.74 and 13,937.29 is: 20,903.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,101.77 : 67,644.74 = 13,937.29 : x
  2. Step 2: Convert to fraction form
    45,101.77/67,644.74 = 13,937.29/x
  3. Step 3: Cross multiply
    45,101.77x = 67,644.74 × 13,937.29
  4. Step 4: Simplify right side
    45,101.77x = 942,784,288.67
  5. Step 5: Solve for x
    x = 942,784,288.67/45,101.77
  6. Step 6: Final answer
    x = 20,903.49

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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.