Home / 38,330.86-52,896.05-21,335.82

Finding the Fourth Proportional to 38,330.86, 52,896.05 and 21,335.82

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Solution

The fourth proportional to 38,330.86, 52,896.05 and 21,335.82 is: 29,443.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,330.86 : 52,896.05 = 21,335.82 : x
  2. Step 2: Convert to fraction form
    38,330.86/52,896.05 = 21,335.82/x
  3. Step 3: Cross multiply
    38,330.86x = 52,896.05 × 21,335.82
  4. Step 4: Simplify right side
    38,330.86x = 1,128,580,601.51
  5. Step 5: Solve for x
    x = 1,128,580,601.51/38,330.86
  6. Step 6: Final answer
    x = 29,443.13

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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.