Home / 38,373.64-52,954.81-21,377.86

Finding the Fourth Proportional to 38,373.64, 52,954.81 and 21,377.86

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Solution

The fourth proportional to 38,373.64, 52,954.81 and 21,377.86 is: 29,500.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,373.64 : 52,954.81 = 21,377.86 : x
  2. Step 2: Convert to fraction form
    38,373.64/52,954.81 = 21,377.86/x
  3. Step 3: Cross multiply
    38,373.64x = 52,954.81 × 21,377.86
  4. Step 4: Simplify right side
    38,373.64x = 1,132,060,514.51
  5. Step 5: Solve for x
    x = 1,132,060,514.51/38,373.64
  6. Step 6: Final answer
    x = 29,500.99

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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.