Home / 46,406.30-69,612.26-13,128.89

Finding the Fourth Proportional to 46,406.30, 69,612.26 and 13,128.89

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Solution

The fourth proportional to 46,406.30, 69,612.26 and 13,128.89 is: 19,694.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,406.30 : 69,612.26 = 13,128.89 : x
  2. Step 2: Convert to fraction form
    46,406.30/69,612.26 = 13,128.89/x
  3. Step 3: Cross multiply
    46,406.30x = 69,612.26 × 13,128.89
  4. Step 4: Simplify right side
    46,406.30x = 913,931,704.19
  5. Step 5: Solve for x
    x = 913,931,704.19/46,406.30
  6. Step 6: Final answer
    x = 19,694.13

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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.