Home / 30,700.83-45,965.84-15,675.50

Finding the Fourth Proportional to 30,700.83, 45,965.84 and 15,675.50

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Solution

The fourth proportional to 30,700.83, 45,965.84 and 15,675.50 is: 23,469.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,700.83 : 45,965.84 = 15,675.50 : x
  2. Step 2: Convert to fraction form
    30,700.83/45,965.84 = 15,675.50/x
  3. Step 3: Cross multiply
    30,700.83x = 45,965.84 × 15,675.50
  4. Step 4: Simplify right side
    30,700.83x = 720,537,216.71
  5. Step 5: Solve for x
    x = 720,537,216.71/30,700.83
  6. Step 6: Final answer
    x = 23,469.63

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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.