Home / 30,718.16-46,038.90-13,167.62

Finding the Fourth Proportional to 30,718.16, 46,038.90 and 13,167.62

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Solution

The fourth proportional to 30,718.16, 46,038.90 and 13,167.62 is: 19,735.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,718.16 : 46,038.90 = 13,167.62 : x
  2. Step 2: Convert to fraction form
    30,718.16/46,038.90 = 13,167.62/x
  3. Step 3: Cross multiply
    30,718.16x = 46,038.90 × 13,167.62
  4. Step 4: Simplify right side
    30,718.16x = 606,222,740.42
  5. Step 5: Solve for x
    x = 606,222,740.42/30,718.16
  6. Step 6: Final answer
    x = 19,735.00

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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.