Home / 39,616.04-54,670.74-21,710.90

Finding the Fourth Proportional to 39,616.04, 54,670.74 and 21,710.90

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Solution

The fourth proportional to 39,616.04, 54,670.74 and 21,710.90 is: 29,961.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,616.04 : 54,670.74 = 21,710.90 : x
  2. Step 2: Convert to fraction form
    39,616.04/54,670.74 = 21,710.90/x
  3. Step 3: Cross multiply
    39,616.04x = 54,670.74 × 21,710.90
  4. Step 4: Simplify right side
    39,616.04x = 1,186,950,969.07
  5. Step 5: Solve for x
    x = 1,186,950,969.07/39,616.04
  6. Step 6: Final answer
    x = 29,961.37

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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.