Home / 23,048.55-31,804.65-12,975.39

Finding the Fourth Proportional to 23,048.55, 31,804.65 and 12,975.39

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Solution

The fourth proportional to 23,048.55, 31,804.65 and 12,975.39 is: 17,904.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,048.55 : 31,804.65 = 12,975.39 : x
  2. Step 2: Convert to fraction form
    23,048.55/31,804.65 = 12,975.39/x
  3. Step 3: Cross multiply
    23,048.55x = 31,804.65 × 12,975.39
  4. Step 4: Simplify right side
    23,048.55x = 412,677,737.56
  5. Step 5: Solve for x
    x = 412,677,737.56/23,048.55
  6. Step 6: Final answer
    x = 17,904.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.