Home / 35,831.60-53,728.20-15,031.60

Finding the Fourth Proportional to 35,831.60, 53,728.20 and 15,031.60

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Solution

The fourth proportional to 35,831.60, 53,728.20 and 15,031.60 is: 22,539.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,831.60 : 53,728.20 = 15,031.60 : x
  2. Step 2: Convert to fraction form
    35,831.60/53,728.20 = 15,031.60/x
  3. Step 3: Cross multiply
    35,831.60x = 53,728.20 × 15,031.60
  4. Step 4: Simplify right side
    35,831.60x = 807,620,811.12
  5. Step 5: Solve for x
    x = 807,620,811.12/35,831.60
  6. Step 6: Final answer
    x = 22,539.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.