Home / 35,957.34-53,936.01-12,578.40

Finding the Fourth Proportional to 35,957.34, 53,936.01 and 12,578.40

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Solution

The fourth proportional to 35,957.34, 53,936.01 and 12,578.40 is: 18,867.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,957.34 : 53,936.01 = 12,578.40 : x
  2. Step 2: Convert to fraction form
    35,957.34/53,936.01 = 12,578.40/x
  3. Step 3: Cross multiply
    35,957.34x = 53,936.01 × 12,578.40
  4. Step 4: Simplify right side
    35,957.34x = 678,428,708.18
  5. Step 5: Solve for x
    x = 678,428,708.18/35,957.34
  6. Step 6: Final answer
    x = 18,867.60

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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.