Home / 34,831.89-48,068.19-18,916.32

Finding the Fourth Proportional to 34,831.89, 48,068.19 and 18,916.32

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Solution

The fourth proportional to 34,831.89, 48,068.19 and 18,916.32 is: 26,104.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,831.89 : 48,068.19 = 18,916.32 : x
  2. Step 2: Convert to fraction form
    34,831.89/48,068.19 = 18,916.32/x
  3. Step 3: Cross multiply
    34,831.89x = 48,068.19 × 18,916.32
  4. Step 4: Simplify right side
    34,831.89x = 909,273,263.86
  5. Step 5: Solve for x
    x = 909,273,263.86/34,831.89
  6. Step 6: Final answer
    x = 26,104.62

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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.