Home / 38,358.29-52,934.45-21,365.79

Finding the Fourth Proportional to 38,358.29, 52,934.45 and 21,365.79

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Solution

The fourth proportional to 38,358.29, 52,934.45 and 21,365.79 is: 29,484.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,358.29 : 52,934.45 = 21,365.79 : x
  2. Step 2: Convert to fraction form
    38,358.29/52,934.45 = 21,365.79/x
  3. Step 3: Cross multiply
    38,358.29x = 52,934.45 × 21,365.79
  4. Step 4: Simplify right side
    38,358.29x = 1,130,986,342.47
  5. Step 5: Solve for x
    x = 1,130,986,342.47/38,358.29
  6. Step 6: Final answer
    x = 29,484.80

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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.