Home / 44,328.60-66,492.36-12,739.40

Finding the Fourth Proportional to 44,328.60, 66,492.36 and 12,739.40

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Solution

The fourth proportional to 44,328.60, 66,492.36 and 12,739.40 is: 19,108.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,328.60 : 66,492.36 = 12,739.40 : x
  2. Step 2: Convert to fraction form
    44,328.60/66,492.36 = 12,739.40/x
  3. Step 3: Cross multiply
    44,328.60x = 66,492.36 × 12,739.40
  4. Step 4: Simplify right side
    44,328.60x = 847,072,770.98
  5. Step 5: Solve for x
    x = 847,072,770.98/44,328.60
  6. Step 6: Final answer
    x = 19,108.94

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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.