Home / 30,676.54-42,347.87-23,125.93

Finding the Fourth Proportional to 30,676.54, 42,347.87 and 23,125.93

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Solution

The fourth proportional to 30,676.54, 42,347.87 and 23,125.93 is: 31,924.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,676.54 : 42,347.87 = 23,125.93 : x
  2. Step 2: Convert to fraction form
    30,676.54/42,347.87 = 23,125.93/x
  3. Step 3: Cross multiply
    30,676.54x = 42,347.87 × 23,125.93
  4. Step 4: Simplify right side
    30,676.54x = 979,333,877.27
  5. Step 5: Solve for x
    x = 979,333,877.27/30,676.54
  6. Step 6: Final answer
    x = 31,924.52

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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.