Home / 38,434.30-53,032.53-21,667.30

Finding the Fourth Proportional to 38,434.30, 53,032.53 and 21,667.30

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Solution

The fourth proportional to 38,434.30, 53,032.53 and 21,667.30 is: 29,897.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,434.30 : 53,032.53 = 21,667.30 : x
  2. Step 2: Convert to fraction form
    38,434.30/53,032.53 = 21,667.30/x
  3. Step 3: Cross multiply
    38,434.30x = 53,032.53 × 21,667.30
  4. Step 4: Simplify right side
    38,434.30x = 1,149,071,737.27
  5. Step 5: Solve for x
    x = 1,149,071,737.27/38,434.30
  6. Step 6: Final answer
    x = 29,897.04

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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.