Home / 38,431.02-53,035.08-22,301.58

Finding the Fourth Proportional to 38,431.02, 53,035.08 and 22,301.58

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Solution

The fourth proportional to 38,431.02, 53,035.08 and 22,301.58 is: 30,776.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,431.02 : 53,035.08 = 22,301.58 : x
  2. Step 2: Convert to fraction form
    38,431.02/53,035.08 = 22,301.58/x
  3. Step 3: Cross multiply
    38,431.02x = 53,035.08 × 22,301.58
  4. Step 4: Simplify right side
    38,431.02x = 1,182,766,079.43
  5. Step 5: Solve for x
    x = 1,182,766,079.43/38,431.02
  6. Step 6: Final answer
    x = 30,776.34

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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.