Home / 38,374.66-52,955.61-21,378.49

Finding the Fourth Proportional to 38,374.66, 52,955.61 and 21,378.49

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Solution

The fourth proportional to 38,374.66, 52,955.61 and 21,378.49 is: 29,501.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,374.66 : 52,955.61 = 21,378.49 : x
  2. Step 2: Convert to fraction form
    38,374.66/52,955.61 = 21,378.49/x
  3. Step 3: Cross multiply
    38,374.66x = 52,955.61 × 21,378.49
  4. Step 4: Simplify right side
    38,374.66x = 1,132,110,978.83
  5. Step 5: Solve for x
    x = 1,132,110,978.83/38,374.66
  6. Step 6: Final answer
    x = 29,501.52

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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.