Home / 30,717.39-46,074.47-15,129.75

Finding the Fourth Proportional to 30,717.39, 46,074.47 and 15,129.75

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Solution

The fourth proportional to 30,717.39, 46,074.47 and 15,129.75 is: 22,693.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,717.39 : 46,074.47 = 15,129.75 : x
  2. Step 2: Convert to fraction form
    30,717.39/46,074.47 = 15,129.75/x
  3. Step 3: Cross multiply
    30,717.39x = 46,074.47 × 15,129.75
  4. Step 4: Simplify right side
    30,717.39x = 697,095,136.83
  5. Step 5: Solve for x
    x = 697,095,136.83/30,717.39
  6. Step 6: Final answer
    x = 22,693.83

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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.