Home / 30,688.34-46,038.45-11,967.62

Finding the Fourth Proportional to 30,688.34, 46,038.45 and 11,967.62

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Solution

The fourth proportional to 30,688.34, 46,038.45 and 11,967.62 is: 17,953.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,688.34 : 46,038.45 = 11,967.62 : x
  2. Step 2: Convert to fraction form
    30,688.34/46,038.45 = 11,967.62/x
  3. Step 3: Cross multiply
    30,688.34x = 46,038.45 × 11,967.62
  4. Step 4: Simplify right side
    30,688.34x = 550,970,674.99
  5. Step 5: Solve for x
    x = 550,970,674.99/30,688.34
  6. Step 6: Final answer
    x = 17,953.75

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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.