Home / 30,890.52-46,345.01-21,901.95

Finding the Fourth Proportional to 30,890.52, 46,345.01 and 21,901.95

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Solution

The fourth proportional to 30,890.52, 46,345.01 and 21,901.95 is: 32,859.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,890.52 : 46,345.01 = 21,901.95 : x
  2. Step 2: Convert to fraction form
    30,890.52/46,345.01 = 21,901.95/x
  3. Step 3: Cross multiply
    30,890.52x = 46,345.01 × 21,901.95
  4. Step 4: Simplify right side
    30,890.52x = 1,015,046,068.75
  5. Step 5: Solve for x
    x = 1,015,046,068.75/30,890.52
  6. Step 6: Final answer
    x = 32,859.47

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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.