Home / 32,976.74-45,505.73-21,038.80

Finding the Fourth Proportional to 32,976.74, 45,505.73 and 21,038.80

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Solution

The fourth proportional to 32,976.74, 45,505.73 and 21,038.80 is: 29,032.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,976.74 : 45,505.73 = 21,038.80 : x
  2. Step 2: Convert to fraction form
    32,976.74/45,505.73 = 21,038.80/x
  3. Step 3: Cross multiply
    32,976.74x = 45,505.73 × 21,038.80
  4. Step 4: Simplify right side
    32,976.74x = 957,385,891.16
  5. Step 5: Solve for x
    x = 957,385,891.16/32,976.74
  6. Step 6: Final answer
    x = 29,032.16

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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.