Home / 30,296.32-45,407.64-16,221.76

Finding the Fourth Proportional to 30,296.32, 45,407.64 and 16,221.76

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Solution

The fourth proportional to 30,296.32, 45,407.64 and 16,221.76 is: 24,312.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,296.32 : 45,407.64 = 16,221.76 : x
  2. Step 2: Convert to fraction form
    30,296.32/45,407.64 = 16,221.76/x
  3. Step 3: Cross multiply
    30,296.32x = 45,407.64 × 16,221.76
  4. Step 4: Simplify right side
    30,296.32x = 736,591,838.25
  5. Step 5: Solve for x
    x = 736,591,838.25/30,296.32
  6. Step 6: Final answer
    x = 24,312.91

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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.