Home / 39,567.87-54,603.99-21,663.05

Finding the Fourth Proportional to 39,567.87, 54,603.99 and 21,663.05

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Solution

The fourth proportional to 39,567.87, 54,603.99 and 21,663.05 is: 29,895.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,567.87 : 54,603.99 = 21,663.05 : x
  2. Step 2: Convert to fraction form
    39,567.87/54,603.99 = 21,663.05/x
  3. Step 3: Cross multiply
    39,567.87x = 54,603.99 × 21,663.05
  4. Step 4: Simplify right side
    39,567.87x = 1,182,888,692.55
  5. Step 5: Solve for x
    x = 1,182,888,692.55/39,567.87
  6. Step 6: Final answer
    x = 29,895.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.