Home / 37,218.75-55,831.65-12,258.87

Finding the Fourth Proportional to 37,218.75, 55,831.65 and 12,258.87

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Solution

The fourth proportional to 37,218.75, 55,831.65 and 12,258.87 is: 18,389.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,218.75 : 55,831.65 = 12,258.87 : x
  2. Step 2: Convert to fraction form
    37,218.75/55,831.65 = 12,258.87/x
  3. Step 3: Cross multiply
    37,218.75x = 55,831.65 × 12,258.87
  4. Step 4: Simplify right side
    37,218.75x = 684,432,939.24
  5. Step 5: Solve for x
    x = 684,432,939.24/37,218.75
  6. Step 6: Final answer
    x = 18,389.47

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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.