Home / 42,159.66-63,246.36-19,692.81

Finding the Fourth Proportional to 42,159.66, 63,246.36 and 19,692.81

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Solution

The fourth proportional to 42,159.66, 63,246.36 and 19,692.81 is: 29,542.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,159.66 : 63,246.36 = 19,692.81 : x
  2. Step 2: Convert to fraction form
    42,159.66/63,246.36 = 19,692.81/x
  3. Step 3: Cross multiply
    42,159.66x = 63,246.36 × 19,692.81
  4. Step 4: Simplify right side
    42,159.66x = 1,245,498,550.67
  5. Step 5: Solve for x
    x = 1,245,498,550.67/42,159.66
  6. Step 6: Final answer
    x = 29,542.42

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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.