Home / 38,115.02-52,612.54-31,029.14

Finding the Fourth Proportional to 38,115.02, 52,612.54 and 31,029.14

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Solution

The fourth proportional to 38,115.02, 52,612.54 and 31,029.14 is: 42,831.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,115.02 : 52,612.54 = 31,029.14 : x
  2. Step 2: Convert to fraction form
    38,115.02/52,612.54 = 31,029.14/x
  3. Step 3: Cross multiply
    38,115.02x = 52,612.54 × 31,029.14
  4. Step 4: Simplify right side
    38,115.02x = 1,632,521,869.42
  5. Step 5: Solve for x
    x = 1,632,521,869.42/38,115.02
  6. Step 6: Final answer
    x = 42,831.46

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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.