Home / 30,927.68-46,397.83-13,158.31

Finding the Fourth Proportional to 30,927.68, 46,397.83 and 13,158.31

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Solution

The fourth proportional to 30,927.68, 46,397.83 and 13,158.31 is: 19,740.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,927.68 : 46,397.83 = 13,158.31 : x
  2. Step 2: Convert to fraction form
    30,927.68/46,397.83 = 13,158.31/x
  3. Step 3: Cross multiply
    30,927.68x = 46,397.83 × 13,158.31
  4. Step 4: Simplify right side
    30,927.68x = 610,517,030.47
  5. Step 5: Solve for x
    x = 610,517,030.47/30,927.68
  6. Step 6: Final answer
    x = 19,740.15

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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.