Home / 30,130.31-41,575.47-16,701.56

Finding the Fourth Proportional to 30,130.31, 41,575.47 and 16,701.56

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Solution

The fourth proportional to 30,130.31, 41,575.47 and 16,701.56 is: 23,045.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,130.31 : 41,575.47 = 16,701.56 : x
  2. Step 2: Convert to fraction form
    30,130.31/41,575.47 = 16,701.56/x
  3. Step 3: Cross multiply
    30,130.31x = 41,575.47 × 16,701.56
  4. Step 4: Simplify right side
    30,130.31x = 694,375,248.04
  5. Step 5: Solve for x
    x = 694,375,248.04/30,130.31
  6. Step 6: Final answer
    x = 23,045.74

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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.