Home / 43,910.55-65,818.60-18,962.35

Finding the Fourth Proportional to 43,910.55, 65,818.60 and 18,962.35

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Solution

The fourth proportional to 43,910.55, 65,818.60 and 18,962.35 is: 28,423.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,910.55 : 65,818.60 = 18,962.35 : x
  2. Step 2: Convert to fraction form
    43,910.55/65,818.60 = 18,962.35/x
  3. Step 3: Cross multiply
    43,910.55x = 65,818.60 × 18,962.35
  4. Step 4: Simplify right side
    43,910.55x = 1,248,075,117.76
  5. Step 5: Solve for x
    x = 1,248,075,117.76/43,910.55
  6. Step 6: Final answer
    x = 28,423.13

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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.