Home / 46,902.78-70,342.83-13,613.81

Finding the Fourth Proportional to 46,902.78, 70,342.83 and 13,613.81

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Solution

The fourth proportional to 46,902.78, 70,342.83 and 13,613.81 is: 20,417.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,902.78 : 70,342.83 = 13,613.81 : x
  2. Step 2: Convert to fraction form
    46,902.78/70,342.83 = 13,613.81/x
  3. Step 3: Cross multiply
    46,902.78x = 70,342.83 × 13,613.81
  4. Step 4: Simplify right side
    46,902.78x = 957,633,570.77
  5. Step 5: Solve for x
    x = 957,633,570.77/46,902.78
  6. Step 6: Final answer
    x = 20,417.42

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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.