Home / 42,001.85-62,980.90-19,809.27

Finding the Fourth Proportional to 42,001.85, 62,980.90 and 19,809.27

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Solution

The fourth proportional to 42,001.85, 62,980.90 and 19,809.27 is: 29,703.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,001.85 : 62,980.90 = 19,809.27 : x
  2. Step 2: Convert to fraction form
    42,001.85/62,980.90 = 19,809.27/x
  3. Step 3: Cross multiply
    42,001.85x = 62,980.90 × 19,809.27
  4. Step 4: Simplify right side
    42,001.85x = 1,247,605,238.99
  5. Step 5: Solve for x
    x = 1,247,605,238.99/42,001.85
  6. Step 6: Final answer
    x = 29,703.58

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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.