Home / 30,671.07-45,924.51-18,010.38

Finding the Fourth Proportional to 30,671.07, 45,924.51 and 18,010.38

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Solution

The fourth proportional to 30,671.07, 45,924.51 and 18,010.38 is: 26,967.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,671.07 : 45,924.51 = 18,010.38 : x
  2. Step 2: Convert to fraction form
    30,671.07/45,924.51 = 18,010.38/x
  3. Step 3: Cross multiply
    30,671.07x = 45,924.51 × 18,010.38
  4. Step 4: Simplify right side
    30,671.07x = 827,117,876.41
  5. Step 5: Solve for x
    x = 827,117,876.41/30,671.07
  6. Step 6: Final answer
    x = 26,967.36

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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.