Home / 30,639.08-45,935.29-15,838.56

Finding the Fourth Proportional to 30,639.08, 45,935.29 and 15,838.56

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Solution

The fourth proportional to 30,639.08, 45,935.29 and 15,838.56 is: 23,745.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,639.08 : 45,935.29 = 15,838.56 : x
  2. Step 2: Convert to fraction form
    30,639.08/45,935.29 = 15,838.56/x
  3. Step 3: Cross multiply
    30,639.08x = 45,935.29 × 15,838.56
  4. Step 4: Simplify right side
    30,639.08x = 727,548,807.19
  5. Step 5: Solve for x
    x = 727,548,807.19/30,639.08
  6. Step 6: Final answer
    x = 23,745.78

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1.5x scale

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.