Home / 31,316.48-46,975.08-7,942.32

Finding the Fourth Proportional to 31,316.48, 46,975.08 and 7,942.32

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Solution

The fourth proportional to 31,316.48, 46,975.08 and 7,942.32 is: 11,913.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,316.48 : 46,975.08 = 7,942.32 : x
  2. Step 2: Convert to fraction form
    31,316.48/46,975.08 = 7,942.32/x
  3. Step 3: Cross multiply
    31,316.48x = 46,975.08 × 7,942.32
  4. Step 4: Simplify right side
    31,316.48x = 373,091,117.39
  5. Step 5: Solve for x
    x = 373,091,117.39/31,316.48
  6. Step 6: Final answer
    x = 11,913.57

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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.