Home / 30,730.14-46,095.75-13,200.30

Finding the Fourth Proportional to 30,730.14, 46,095.75 and 13,200.30

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Solution

The fourth proportional to 30,730.14, 46,095.75 and 13,200.30 is: 19,800.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,730.14 : 46,095.75 = 13,200.30 : x
  2. Step 2: Convert to fraction form
    30,730.14/46,095.75 = 13,200.30/x
  3. Step 3: Cross multiply
    30,730.14x = 46,095.75 × 13,200.30
  4. Step 4: Simplify right side
    30,730.14x = 608,477,728.73
  5. Step 5: Solve for x
    x = 608,477,728.73/30,730.14
  6. Step 6: Final answer
    x = 19,800.68

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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.