Home / 65,266.20-97,899.30-30,274.20

Finding the Fourth Proportional to 65,266.20, 97,899.30 and 30,274.20

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Solution

The fourth proportional to 65,266.20, 97,899.30 and 30,274.20 is: 45,411.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,266.20 : 97,899.30 = 30,274.20 : x
  2. Step 2: Convert to fraction form
    65,266.20/97,899.30 = 30,274.20/x
  3. Step 3: Cross multiply
    65,266.20x = 97,899.30 × 30,274.20
  4. Step 4: Simplify right side
    65,266.20x = 2,963,822,988.06
  5. Step 5: Solve for x
    x = 2,963,822,988.06/65,266.20
  6. Step 6: Final answer
    x = 45,411.30

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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.