Home / 35,310.76-52,988.02-20,526.64

Finding the Fourth Proportional to 35,310.76, 52,988.02 and 20,526.64

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Solution

The fourth proportional to 35,310.76, 52,988.02 and 20,526.64 is: 30,802.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,310.76 : 52,988.02 = 20,526.64 : x
  2. Step 2: Convert to fraction form
    35,310.76/52,988.02 = 20,526.64/x
  3. Step 3: Cross multiply
    35,310.76x = 52,988.02 × 20,526.64
  4. Step 4: Simplify right side
    35,310.76x = 1,087,666,010.85
  5. Step 5: Solve for x
    x = 1,087,666,010.85/35,310.76
  6. Step 6: Final answer
    x = 30,802.68

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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.