Home / 42,107.19-63,147.09-14,019.69

Finding the Fourth Proportional to 42,107.19, 63,147.09 and 14,019.69

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Solution

The fourth proportional to 42,107.19, 63,147.09 and 14,019.69 is: 21,024.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,107.19 : 63,147.09 = 14,019.69 : x
  2. Step 2: Convert to fraction form
    42,107.19/63,147.09 = 14,019.69/x
  3. Step 3: Cross multiply
    42,107.19x = 63,147.09 × 14,019.69
  4. Step 4: Simplify right side
    42,107.19x = 885,302,626.20
  5. Step 5: Solve for x
    x = 885,302,626.20/42,107.19
  6. Step 6: Final answer
    x = 21,024.98

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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.