Home / 30,337.56-45,480.36-19,926.36

Finding the Fourth Proportional to 30,337.56, 45,480.36 and 19,926.36

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Solution

The fourth proportional to 30,337.56, 45,480.36 and 19,926.36 is: 29,872.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,337.56 : 45,480.36 = 19,926.36 : x
  2. Step 2: Convert to fraction form
    30,337.56/45,480.36 = 19,926.36/x
  3. Step 3: Cross multiply
    30,337.56x = 45,480.36 × 19,926.36
  4. Step 4: Simplify right side
    30,337.56x = 906,258,026.29
  5. Step 5: Solve for x
    x = 906,258,026.29/30,337.56
  6. Step 6: Final answer
    x = 29,872.48

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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.