Home / 44,270.40-66,423.60-19,315.20

Finding the Fourth Proportional to 44,270.40, 66,423.60 and 19,315.20

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Solution

The fourth proportional to 44,270.40, 66,423.60 and 19,315.20 is: 28,980.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,270.40 : 66,423.60 = 19,315.20 : x
  2. Step 2: Convert to fraction form
    44,270.40/66,423.60 = 19,315.20/x
  3. Step 3: Cross multiply
    44,270.40x = 66,423.60 × 19,315.20
  4. Step 4: Simplify right side
    44,270.40x = 1,282,985,118.72
  5. Step 5: Solve for x
    x = 1,282,985,118.72/44,270.40
  6. Step 6: Final answer
    x = 28,980.65

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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.