Home / 30,797.05-42,506.53-19,459.35

Finding the Fourth Proportional to 30,797.05, 42,506.53 and 19,459.35

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Solution

The fourth proportional to 30,797.05, 42,506.53 and 19,459.35 is: 26,858.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,797.05 : 42,506.53 = 19,459.35 : x
  2. Step 2: Convert to fraction form
    30,797.05/42,506.53 = 19,459.35/x
  3. Step 3: Cross multiply
    30,797.05x = 42,506.53 × 19,459.35
  4. Step 4: Simplify right side
    30,797.05x = 827,149,444.56
  5. Step 5: Solve for x
    x = 827,149,444.56/30,797.05
  6. Step 6: Final answer
    x = 26,858.07

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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.