Home / 46,921.91-70,389.92-13,637.65

Finding the Fourth Proportional to 46,921.91, 70,389.92 and 13,637.65

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Solution

The fourth proportional to 46,921.91, 70,389.92 and 13,637.65 is: 20,458.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,921.91 : 70,389.92 = 13,637.65 : x
  2. Step 2: Convert to fraction form
    46,921.91/70,389.92 = 13,637.65/x
  3. Step 3: Cross multiply
    46,921.91x = 70,389.92 × 13,637.65
  4. Step 4: Simplify right side
    46,921.91x = 959,953,334.00
  5. Step 5: Solve for x
    x = 959,953,334.00/46,921.91
  6. Step 6: Final answer
    x = 20,458.53

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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.