Home / 30,981.47-46,487.07-16,940.93

Finding the Fourth Proportional to 30,981.47, 46,487.07 and 16,940.93

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Solution

The fourth proportional to 30,981.47, 46,487.07 and 16,940.93 is: 25,419.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,981.47 : 46,487.07 = 16,940.93 : x
  2. Step 2: Convert to fraction form
    30,981.47/46,487.07 = 16,940.93/x
  3. Step 3: Cross multiply
    30,981.47x = 46,487.07 × 16,940.93
  4. Step 4: Simplify right side
    30,981.47x = 787,533,966.34
  5. Step 5: Solve for x
    x = 787,533,966.34/30,981.47
  6. Step 6: Final answer
    x = 25,419.52

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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.