Home / 30,417.63-45,530.87-19,336.83

Finding the Fourth Proportional to 30,417.63, 45,530.87 and 19,336.83

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Solution

The fourth proportional to 30,417.63, 45,530.87 and 19,336.83 is: 28,944.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,417.63 : 45,530.87 = 19,336.83 : x
  2. Step 2: Convert to fraction form
    30,417.63/45,530.87 = 19,336.83/x
  3. Step 3: Cross multiply
    30,417.63x = 45,530.87 × 19,336.83
  4. Step 4: Simplify right side
    30,417.63x = 880,422,596.26
  5. Step 5: Solve for x
    x = 880,422,596.26/30,417.63
  6. Step 6: Final answer
    x = 28,944.48

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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.