Home / 38,374.08-52,956-21,612.48

Finding the Fourth Proportional to 38,374.08, 52,956 and 21,612.48

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Solution

The fourth proportional to 38,374.08, 52,956 and 21,612.48 is: 29,825.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,374.08 : 52,956 = 21,612.48 : x
  2. Step 2: Convert to fraction form
    38,374.08/52,956 = 21,612.48/x
  3. Step 3: Cross multiply
    38,374.08x = 52,956 × 21,612.48
  4. Step 4: Simplify right side
    38,374.08x = 1,144,510,490.88
  5. Step 5: Solve for x
    x = 1,144,510,490.88/38,374.08
  6. Step 6: Final answer
    x = 29,825.09

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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.