Home / 30,750.77-46,140.74-18,295.40

Finding the Fourth Proportional to 30,750.77, 46,140.74 and 18,295.40

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Solution

The fourth proportional to 30,750.77, 46,140.74 and 18,295.40 is: 27,451.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,750.77 : 46,140.74 = 18,295.40 : x
  2. Step 2: Convert to fraction form
    30,750.77/46,140.74 = 18,295.40/x
  3. Step 3: Cross multiply
    30,750.77x = 46,140.74 × 18,295.40
  4. Step 4: Simplify right side
    30,750.77x = 844,162,972.42
  5. Step 5: Solve for x
    x = 844,162,972.42/30,750.77
  6. Step 6: Final answer
    x = 27,451.77

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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.