Home / 51,831.07-77,746.52-14,391.16

Finding the Fourth Proportional to 51,831.07, 77,746.52 and 14,391.16

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Solution

The fourth proportional to 51,831.07, 77,746.52 and 14,391.16 is: 21,586.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,831.07 : 77,746.52 = 14,391.16 : x
  2. Step 2: Convert to fraction form
    51,831.07/77,746.52 = 14,391.16/x
  3. Step 3: Cross multiply
    51,831.07x = 77,746.52 × 14,391.16
  4. Step 4: Simplify right side
    51,831.07x = 1,118,862,450.37
  5. Step 5: Solve for x
    x = 1,118,862,450.37/51,831.07
  6. Step 6: Final answer
    x = 21,586.71

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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.