Home / 30,964.08-42,730.44-16,816.93

Finding the Fourth Proportional to 30,964.08, 42,730.44 and 16,816.93

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Solution

The fourth proportional to 30,964.08, 42,730.44 and 16,816.93 is: 23,207.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,964.08 : 42,730.44 = 16,816.93 : x
  2. Step 2: Convert to fraction form
    30,964.08/42,730.44 = 16,816.93/x
  3. Step 3: Cross multiply
    30,964.08x = 42,730.44 × 16,816.93
  4. Step 4: Simplify right side
    30,964.08x = 718,594,648.46
  5. Step 5: Solve for x
    x = 718,594,648.46/30,964.08
  6. Step 6: Final answer
    x = 23,207.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.