Home / 31,042.54-46,533.75-12,316.42

Finding the Fourth Proportional to 31,042.54, 46,533.75 and 12,316.42

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Solution

The fourth proportional to 31,042.54, 46,533.75 and 12,316.42 is: 18,462.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,042.54 : 46,533.75 = 12,316.42 : x
  2. Step 2: Convert to fraction form
    31,042.54/46,533.75 = 12,316.42/x
  3. Step 3: Cross multiply
    31,042.54x = 46,533.75 × 12,316.42
  4. Step 4: Simplify right side
    31,042.54x = 573,129,209.18
  5. Step 5: Solve for x
    x = 573,129,209.18/31,042.54
  6. Step 6: Final answer
    x = 18,462.70

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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.