Home / 35,328.60-52,975.86-20,541.78

Finding the Fourth Proportional to 35,328.60, 52,975.86 and 20,541.78

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Solution

The fourth proportional to 35,328.60, 52,975.86 and 20,541.78 is: 30,802.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,328.60 : 52,975.86 = 20,541.78 : x
  2. Step 2: Convert to fraction form
    35,328.60/52,975.86 = 20,541.78/x
  3. Step 3: Cross multiply
    35,328.60x = 52,975.86 × 20,541.78
  4. Step 4: Simplify right side
    35,328.60x = 1,088,218,461.43
  5. Step 5: Solve for x
    x = 1,088,218,461.43/35,328.60
  6. Step 6: Final answer
    x = 30,802.76

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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.