Home / 38,313.48-52,871.52-21,316.86

Finding the Fourth Proportional to 38,313.48, 52,871.52 and 21,316.86

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Solution

The fourth proportional to 38,313.48, 52,871.52 and 21,316.86 is: 29,416.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,313.48 : 52,871.52 = 21,316.86 : x
  2. Step 2: Convert to fraction form
    38,313.48/52,871.52 = 21,316.86/x
  3. Step 3: Cross multiply
    38,313.48x = 52,871.52 × 21,316.86
  4. Step 4: Simplify right side
    38,313.48x = 1,127,054,789.83
  5. Step 5: Solve for x
    x = 1,127,054,789.83/38,313.48
  6. Step 6: Final answer
    x = 29,416.66

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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.