Home / 35,541.96-53,345.18-18,915.99

Finding the Fourth Proportional to 35,541.96, 53,345.18 and 18,915.99

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Solution

The fourth proportional to 35,541.96, 53,345.18 and 18,915.99 is: 28,391.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,541.96 : 53,345.18 = 18,915.99 : x
  2. Step 2: Convert to fraction form
    35,541.96/53,345.18 = 18,915.99/x
  3. Step 3: Cross multiply
    35,541.96x = 53,345.18 × 18,915.99
  4. Step 4: Simplify right side
    35,541.96x = 1,009,076,891.43
  5. Step 5: Solve for x
    x = 1,009,076,891.43/35,541.96
  6. Step 6: Final answer
    x = 28,391.14

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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.