Home / 44,009.16-66,017.62-12,419.50

Finding the Fourth Proportional to 44,009.16, 66,017.62 and 12,419.50

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Solution

The fourth proportional to 44,009.16, 66,017.62 and 12,419.50 is: 18,630.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,009.16 : 66,017.62 = 12,419.50 : x
  2. Step 2: Convert to fraction form
    44,009.16/66,017.62 = 12,419.50/x
  3. Step 3: Cross multiply
    44,009.16x = 66,017.62 × 12,419.50
  4. Step 4: Simplify right side
    44,009.16x = 819,905,831.59
  5. Step 5: Solve for x
    x = 819,905,831.59/44,009.16
  6. Step 6: Final answer
    x = 18,630.34

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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.