Home / 30,657.45-42,322.59-20,063.27

Finding the Fourth Proportional to 30,657.45, 42,322.59 and 20,063.27

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Solution

The fourth proportional to 30,657.45, 42,322.59 and 20,063.27 is: 27,697.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,657.45 : 42,322.59 = 20,063.27 : x
  2. Step 2: Convert to fraction form
    30,657.45/42,322.59 = 20,063.27/x
  3. Step 3: Cross multiply
    30,657.45x = 42,322.59 × 20,063.27
  4. Step 4: Simplify right side
    30,657.45x = 849,129,338.66
  5. Step 5: Solve for x
    x = 849,129,338.66/30,657.45
  6. Step 6: Final answer
    x = 27,697.32

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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.