Home / 30,390.64-45,571.37-14,366.83

Finding the Fourth Proportional to 30,390.64, 45,571.37 and 14,366.83

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Solution

The fourth proportional to 30,390.64, 45,571.37 and 14,366.83 is: 21,543.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,390.64 : 45,571.37 = 14,366.83 : x
  2. Step 2: Convert to fraction form
    30,390.64/45,571.37 = 14,366.83/x
  3. Step 3: Cross multiply
    30,390.64x = 45,571.37 × 14,366.83
  4. Step 4: Simplify right side
    30,390.64x = 654,716,053.82
  5. Step 5: Solve for x
    x = 654,716,053.82/30,390.64
  6. Step 6: Final answer
    x = 21,543.35

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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.