Home / 30,966.05-46,438.83-11,981.87

Finding the Fourth Proportional to 30,966.05, 46,438.83 and 11,981.87

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Solution

The fourth proportional to 30,966.05, 46,438.83 and 11,981.87 is: 17,968.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,966.05 : 46,438.83 = 11,981.87 : x
  2. Step 2: Convert to fraction form
    30,966.05/46,438.83 = 11,981.87/x
  3. Step 3: Cross multiply
    30,966.05x = 46,438.83 × 11,981.87
  4. Step 4: Simplify right side
    30,966.05x = 556,424,193.48
  5. Step 5: Solve for x
    x = 556,424,193.48/30,966.05
  6. Step 6: Final answer
    x = 17,968.85

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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.