Home / 30,698.40-46,047.12-15,104.64

Finding the Fourth Proportional to 30,698.40, 46,047.12 and 15,104.64

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Solution

The fourth proportional to 30,698.40, 46,047.12 and 15,104.64 is: 22,656.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,698.40 : 46,047.12 = 15,104.64 : x
  2. Step 2: Convert to fraction form
    30,698.40/46,047.12 = 15,104.64/x
  3. Step 3: Cross multiply
    30,698.40x = 46,047.12 × 15,104.64
  4. Step 4: Simplify right side
    30,698.40x = 695,525,170.64
  5. Step 5: Solve for x
    x = 695,525,170.64/30,698.40
  6. Step 6: Final answer
    x = 22,656.72

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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.