Home / 30,639.46-45,969.09-15,046.15

Finding the Fourth Proportional to 30,639.46, 45,969.09 and 15,046.15

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Solution

The fourth proportional to 30,639.46, 45,969.09 and 15,046.15 is: 22,574.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,639.46 : 45,969.09 = 15,046.15 : x
  2. Step 2: Convert to fraction form
    30,639.46/45,969.09 = 15,046.15/x
  3. Step 3: Cross multiply
    30,639.46x = 45,969.09 × 15,046.15
  4. Step 4: Simplify right side
    30,639.46x = 691,657,823.50
  5. Step 5: Solve for x
    x = 691,657,823.50/30,639.46
  6. Step 6: Final answer
    x = 22,574.09

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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.