Home / 42,012.39-63,027.93-18,323.77

Finding the Fourth Proportional to 42,012.39, 63,027.93 and 18,323.77

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Solution

The fourth proportional to 42,012.39, 63,027.93 and 18,323.77 is: 27,489.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,012.39 : 63,027.93 = 18,323.77 : x
  2. Step 2: Convert to fraction form
    42,012.39/63,027.93 = 18,323.77/x
  3. Step 3: Cross multiply
    42,012.39x = 63,027.93 × 18,323.77
  4. Step 4: Simplify right side
    42,012.39x = 1,154,908,886.14
  5. Step 5: Solve for x
    x = 1,154,908,886.14/42,012.39
  6. Step 6: Final answer
    x = 27,489.72

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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.