Home / 35,724.10-53,585.64-12,036.90

Finding the Fourth Proportional to 35,724.10, 53,585.64 and 12,036.90

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Solution

The fourth proportional to 35,724.10, 53,585.64 and 12,036.90 is: 18,055.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,724.10 : 53,585.64 = 12,036.90 : x
  2. Step 2: Convert to fraction form
    35,724.10/53,585.64 = 12,036.90/x
  3. Step 3: Cross multiply
    35,724.10x = 53,585.64 × 12,036.90
  4. Step 4: Simplify right side
    35,724.10x = 645,004,990.12
  5. Step 5: Solve for x
    x = 645,004,990.12/35,724.10
  6. Step 6: Final answer
    x = 18,055.18

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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.