Home / 30,973.58-46,462.13-8,785.20

Finding the Fourth Proportional to 30,973.58, 46,462.13 and 8,785.20

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Solution

The fourth proportional to 30,973.58, 46,462.13 and 8,785.20 is: 13,178.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,973.58 : 46,462.13 = 8,785.20 : x
  2. Step 2: Convert to fraction form
    30,973.58/46,462.13 = 8,785.20/x
  3. Step 3: Cross multiply
    30,973.58x = 46,462.13 × 8,785.20
  4. Step 4: Simplify right side
    30,973.58x = 408,179,060.55
  5. Step 5: Solve for x
    x = 408,179,060.55/30,973.58
  6. Step 6: Final answer
    x = 13,178.30

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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.