Home / 38,112.12-52,596.30-21,345.24

Finding the Fourth Proportional to 38,112.12, 52,596.30 and 21,345.24

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Solution

The fourth proportional to 38,112.12, 52,596.30 and 21,345.24 is: 29,457.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,112.12 : 52,596.30 = 21,345.24 : x
  2. Step 2: Convert to fraction form
    38,112.12/52,596.30 = 21,345.24/x
  3. Step 3: Cross multiply
    38,112.12x = 52,596.30 × 21,345.24
  4. Step 4: Simplify right side
    38,112.12x = 1,122,680,646.61
  5. Step 5: Solve for x
    x = 1,122,680,646.61/38,112.12
  6. Step 6: Final answer
    x = 29,457.31

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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.