Home / 30,903.64-42,570.68-26,351.49

Finding the Fourth Proportional to 30,903.64, 42,570.68 and 26,351.49

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Solution

The fourth proportional to 30,903.64, 42,570.68 and 26,351.49 is: 36,299.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,903.64 : 42,570.68 = 26,351.49 : x
  2. Step 2: Convert to fraction form
    30,903.64/42,570.68 = 26,351.49/x
  3. Step 3: Cross multiply
    30,903.64x = 42,570.68 × 26,351.49
  4. Step 4: Simplify right side
    30,903.64x = 1,121,800,853.39
  5. Step 5: Solve for x
    x = 1,121,800,853.39/30,903.64
  6. Step 6: Final answer
    x = 36,299.96

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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.