Home / 38,456.30-53,069.99-21,461.63

Finding the Fourth Proportional to 38,456.30, 53,069.99 and 21,461.63

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Solution

The fourth proportional to 38,456.30, 53,069.99 and 21,461.63 is: 29,617.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,456.30 : 53,069.99 = 21,461.63 : x
  2. Step 2: Convert to fraction form
    38,456.30/53,069.99 = 21,461.63/x
  3. Step 3: Cross multiply
    38,456.30x = 53,069.99 × 21,461.63
  4. Step 4: Simplify right side
    38,456.30x = 1,138,968,116.83
  5. Step 5: Solve for x
    x = 1,138,968,116.83/38,456.30
  6. Step 6: Final answer
    x = 29,617.20

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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.