Home / 42,011.73-62,996.16-13,921.77

Finding the Fourth Proportional to 42,011.73, 62,996.16 and 13,921.77

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Solution

The fourth proportional to 42,011.73, 62,996.16 and 13,921.77 is: 20,875.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,011.73 : 62,996.16 = 13,921.77 : x
  2. Step 2: Convert to fraction form
    42,011.73/62,996.16 = 13,921.77/x
  3. Step 3: Cross multiply
    42,011.73x = 62,996.16 × 13,921.77
  4. Step 4: Simplify right side
    42,011.73x = 877,018,338.85
  5. Step 5: Solve for x
    x = 877,018,338.85/42,011.73
  6. Step 6: Final answer
    x = 20,875.56

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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.