Home / 46,271.56-69,407.04-12,991.64

Finding the Fourth Proportional to 46,271.56, 69,407.04 and 12,991.64

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Solution

The fourth proportional to 46,271.56, 69,407.04 and 12,991.64 is: 19,487.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,271.56 : 69,407.04 = 12,991.64 : x
  2. Step 2: Convert to fraction form
    46,271.56/69,407.04 = 12,991.64/x
  3. Step 3: Cross multiply
    46,271.56x = 69,407.04 × 12,991.64
  4. Step 4: Simplify right side
    46,271.56x = 901,711,277.15
  5. Step 5: Solve for x
    x = 901,711,277.15/46,271.56
  6. Step 6: Final answer
    x = 19,487.38

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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.