Home / 38,349.02-52,921.61-21,582.38

Finding the Fourth Proportional to 38,349.02, 52,921.61 and 21,582.38

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Solution

The fourth proportional to 38,349.02, 52,921.61 and 21,582.38 is: 29,783.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,349.02 : 52,921.61 = 21,582.38 : x
  2. Step 2: Convert to fraction form
    38,349.02/52,921.61 = 21,582.38/x
  3. Step 3: Cross multiply
    38,349.02x = 52,921.61 × 21,582.38
  4. Step 4: Simplify right side
    38,349.02x = 1,142,174,297.23
  5. Step 5: Solve for x
    x = 1,142,174,297.23/38,349.02
  6. Step 6: Final answer
    x = 29,783.66

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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.