Home / 30,298.24-45,352.28-19,166.32

Finding the Fourth Proportional to 30,298.24, 45,352.28 and 19,166.32

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Solution

The fourth proportional to 30,298.24, 45,352.28 and 19,166.32 is: 28,689.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,298.24 : 45,352.28 = 19,166.32 : x
  2. Step 2: Convert to fraction form
    30,298.24/45,352.28 = 19,166.32/x
  3. Step 3: Cross multiply
    30,298.24x = 45,352.28 × 19,166.32
  4. Step 4: Simplify right side
    30,298.24x = 869,236,311.21
  5. Step 5: Solve for x
    x = 869,236,311.21/30,298.24
  6. Step 6: Final answer
    x = 28,689.33

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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.