Home / 30,919.32-46,382.34-9,854.40

Finding the Fourth Proportional to 30,919.32, 46,382.34 and 9,854.40

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Solution

The fourth proportional to 30,919.32, 46,382.34 and 9,854.40 is: 14,782.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,919.32 : 46,382.34 = 9,854.40 : x
  2. Step 2: Convert to fraction form
    30,919.32/46,382.34 = 9,854.40/x
  3. Step 3: Cross multiply
    30,919.32x = 46,382.34 × 9,854.40
  4. Step 4: Simplify right side
    30,919.32x = 457,070,131.30
  5. Step 5: Solve for x
    x = 457,070,131.30/30,919.32
  6. Step 6: Final answer
    x = 14,782.67

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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.