Home / 39,574.80-54,612.99-21,669.66

Finding the Fourth Proportional to 39,574.80, 54,612.99 and 21,669.66

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Solution

The fourth proportional to 39,574.80, 54,612.99 and 21,669.66 is: 29,904.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,574.80 : 54,612.99 = 21,669.66 : x
  2. Step 2: Convert to fraction form
    39,574.80/54,612.99 = 21,669.66/x
  3. Step 3: Cross multiply
    39,574.80x = 54,612.99 × 21,669.66
  4. Step 4: Simplify right side
    39,574.80x = 1,183,444,924.88
  5. Step 5: Solve for x
    x = 1,183,444,924.88/39,574.80
  6. Step 6: Final answer
    x = 29,904.00

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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.