Home / 48,373.37-72,588.05-20,290.91

Finding the Fourth Proportional to 48,373.37, 72,588.05 and 20,290.91

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Solution

The fourth proportional to 48,373.37, 72,588.05 and 20,290.91 is: 30,448.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,373.37 : 72,588.05 = 20,290.91 : x
  2. Step 2: Convert to fraction form
    48,373.37/72,588.05 = 20,290.91/x
  3. Step 3: Cross multiply
    48,373.37x = 72,588.05 × 20,290.91
  4. Step 4: Simplify right side
    48,373.37x = 1,472,877,201.32
  5. Step 5: Solve for x
    x = 1,472,877,201.32/48,373.37
  6. Step 6: Final answer
    x = 30,448.10

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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.