Home / 46,420.64-69,631.34-13,141.80

Finding the Fourth Proportional to 46,420.64, 69,631.34 and 13,141.80

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Solution

The fourth proportional to 46,420.64, 69,631.34 and 13,141.80 is: 19,712.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,420.64 : 69,631.34 = 13,141.80 : x
  2. Step 2: Convert to fraction form
    46,420.64/69,631.34 = 13,141.80/x
  3. Step 3: Cross multiply
    46,420.64x = 69,631.34 × 13,141.80
  4. Step 4: Simplify right side
    46,420.64x = 915,081,144.01
  5. Step 5: Solve for x
    x = 915,081,144.01/46,420.64
  6. Step 6: Final answer
    x = 19,712.81

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1.5x scale

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.