Home / 38,005.86-52,447.74-21,010.55

Finding the Fourth Proportional to 38,005.86, 52,447.74 and 21,010.55

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Solution

The fourth proportional to 38,005.86, 52,447.74 and 21,010.55 is: 28,994.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,005.86 : 52,447.74 = 21,010.55 : x
  2. Step 2: Convert to fraction form
    38,005.86/52,447.74 = 21,010.55/x
  3. Step 3: Cross multiply
    38,005.86x = 52,447.74 × 21,010.55
  4. Step 4: Simplify right side
    38,005.86x = 1,101,955,522.63
  5. Step 5: Solve for x
    x = 1,101,955,522.63/38,005.86
  6. Step 6: Final answer
    x = 28,994.36

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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.