Home / 38,374.76-52,956.37-21,378.98

Finding the Fourth Proportional to 38,374.76, 52,956.37 and 21,378.98

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Solution

The fourth proportional to 38,374.76, 52,956.37 and 21,378.98 is: 29,502.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,374.76 : 52,956.37 = 21,378.98 : x
  2. Step 2: Convert to fraction form
    38,374.76/52,956.37 = 21,378.98/x
  3. Step 3: Cross multiply
    38,374.76x = 52,956.37 × 21,378.98
  4. Step 4: Simplify right side
    38,374.76x = 1,132,153,068.21
  5. Step 5: Solve for x
    x = 1,132,153,068.21/38,374.76
  6. Step 6: Final answer
    x = 29,502.54

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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.