Home / 45,493.02-68,239.53-13,901.81

Finding the Fourth Proportional to 45,493.02, 68,239.53 and 13,901.81

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Solution

The fourth proportional to 45,493.02, 68,239.53 and 13,901.81 is: 20,852.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,493.02 : 68,239.53 = 13,901.81 : x
  2. Step 2: Convert to fraction form
    45,493.02/68,239.53 = 13,901.81/x
  3. Step 3: Cross multiply
    45,493.02x = 68,239.53 × 13,901.81
  4. Step 4: Simplify right side
    45,493.02x = 948,652,639.35
  5. Step 5: Solve for x
    x = 948,652,639.35/45,493.02
  6. Step 6: Final answer
    x = 20,852.71

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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.