Home / 42,263.48-63,405.22-13,800.28

Finding the Fourth Proportional to 42,263.48, 63,405.22 and 13,800.28

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Solution

The fourth proportional to 42,263.48, 63,405.22 and 13,800.28 is: 20,703.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,263.48 : 63,405.22 = 13,800.28 : x
  2. Step 2: Convert to fraction form
    42,263.48/63,405.22 = 13,800.28/x
  3. Step 3: Cross multiply
    42,263.48x = 63,405.22 × 13,800.28
  4. Step 4: Simplify right side
    42,263.48x = 875,009,789.46
  5. Step 5: Solve for x
    x = 875,009,789.46/42,263.48
  6. Step 6: Final answer
    x = 20,703.69

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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.