Home / 44,259.80-66,389.70-28,513.40

Finding the Fourth Proportional to 44,259.80, 66,389.70 and 28,513.40

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Solution

The fourth proportional to 44,259.80, 66,389.70 and 28,513.40 is: 42,770.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,259.80 : 66,389.70 = 28,513.40 : x
  2. Step 2: Convert to fraction form
    44,259.80/66,389.70 = 28,513.40/x
  3. Step 3: Cross multiply
    44,259.80x = 66,389.70 × 28,513.40
  4. Step 4: Simplify right side
    44,259.80x = 1,892,996,071.98
  5. Step 5: Solve for x
    x = 1,892,996,071.98/44,259.80
  6. Step 6: Final answer
    x = 42,770.10

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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.