Home / 35,831.09-49,446.54-19,915.20

Finding the Fourth Proportional to 35,831.09, 49,446.54 and 19,915.20

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Solution

The fourth proportional to 35,831.09, 49,446.54 and 19,915.20 is: 27,482.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,831.09 : 49,446.54 = 19,915.20 : x
  2. Step 2: Convert to fraction form
    35,831.09/49,446.54 = 19,915.20/x
  3. Step 3: Cross multiply
    35,831.09x = 49,446.54 × 19,915.20
  4. Step 4: Simplify right side
    35,831.09x = 984,737,733.41
  5. Step 5: Solve for x
    x = 984,737,733.41/35,831.09
  6. Step 6: Final answer
    x = 27,482.77

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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.