Home / 30,676.04-42,347.18-23,125.42

Finding the Fourth Proportional to 30,676.04, 42,347.18 and 23,125.42

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Solution

The fourth proportional to 30,676.04, 42,347.18 and 23,125.42 is: 31,923.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,676.04 : 42,347.18 = 23,125.42 : x
  2. Step 2: Convert to fraction form
    30,676.04/42,347.18 = 23,125.42/x
  3. Step 3: Cross multiply
    30,676.04x = 42,347.18 × 23,125.42
  4. Step 4: Simplify right side
    30,676.04x = 979,296,323.32
  5. Step 5: Solve for x
    x = 979,296,323.32/30,676.04
  6. Step 6: Final answer
    x = 31,923.82

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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.