Home / 38,030.88-52,478.05-21,032.81

Finding the Fourth Proportional to 38,030.88, 52,478.05 and 21,032.81

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Solution

The fourth proportional to 38,030.88, 52,478.05 and 21,032.81 is: 29,022.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,030.88 : 52,478.05 = 21,032.81 : x
  2. Step 2: Convert to fraction form
    38,030.88/52,478.05 = 21,032.81/x
  3. Step 3: Cross multiply
    38,030.88x = 52,478.05 × 21,032.81
  4. Step 4: Simplify right side
    38,030.88x = 1,103,760,854.82
  5. Step 5: Solve for x
    x = 1,103,760,854.82/38,030.88
  6. Step 6: Final answer
    x = 29,022.75

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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.