Home / 30,868.48-46,364.74-18,412.83

Finding the Fourth Proportional to 30,868.48, 46,364.74 and 18,412.83

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Solution

The fourth proportional to 30,868.48, 46,364.74 and 18,412.83 is: 27,656.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,868.48 : 46,364.74 = 18,412.83 : x
  2. Step 2: Convert to fraction form
    30,868.48/46,364.74 = 18,412.83/x
  3. Step 3: Cross multiply
    30,868.48x = 46,364.74 × 18,412.83
  4. Step 4: Simplify right side
    30,868.48x = 853,706,172.46
  5. Step 5: Solve for x
    x = 853,706,172.46/30,868.48
  6. Step 6: Final answer
    x = 27,656.24

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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.