Home / 30,871.08-46,308.80-15,284.52

Finding the Fourth Proportional to 30,871.08, 46,308.80 and 15,284.52

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Solution

The fourth proportional to 30,871.08, 46,308.80 and 15,284.52 is: 22,927.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,871.08 : 46,308.80 = 15,284.52 : x
  2. Step 2: Convert to fraction form
    30,871.08/46,308.80 = 15,284.52/x
  3. Step 3: Cross multiply
    30,871.08x = 46,308.80 × 15,284.52
  4. Step 4: Simplify right side
    30,871.08x = 707,807,779.78
  5. Step 5: Solve for x
    x = 707,807,779.78/30,871.08
  6. Step 6: Final answer
    x = 22,927.86

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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.