Home / 31,146.39-46,457.01-30,212.60

Finding the Fourth Proportional to 31,146.39, 46,457.01 and 30,212.60

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Solution

The fourth proportional to 31,146.39, 46,457.01 and 30,212.60 is: 45,064.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,146.39 : 46,457.01 = 30,212.60 : x
  2. Step 2: Convert to fraction form
    31,146.39/46,457.01 = 30,212.60/x
  3. Step 3: Cross multiply
    31,146.39x = 46,457.01 × 30,212.60
  4. Step 4: Simplify right side
    31,146.39x = 1,403,586,828.04
  5. Step 5: Solve for x
    x = 1,403,586,828.04/31,146.39
  6. Step 6: Final answer
    x = 45,064.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.