Home / 30,810.32-46,215.58-7,436.76

Finding the Fourth Proportional to 30,810.32, 46,215.58 and 7,436.76

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Solution

The fourth proportional to 30,810.32, 46,215.58 and 7,436.76 is: 11,155.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,810.32 : 46,215.58 = 7,436.76 : x
  2. Step 2: Convert to fraction form
    30,810.32/46,215.58 = 7,436.76/x
  3. Step 3: Cross multiply
    30,810.32x = 46,215.58 × 7,436.76
  4. Step 4: Simplify right side
    30,810.32x = 343,694,176.72
  5. Step 5: Solve for x
    x = 343,694,176.72/30,810.32
  6. Step 6: Final answer
    x = 11,155.16

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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.