Home / 30,945.06-46,421.91-15,358.50

Finding the Fourth Proportional to 30,945.06, 46,421.91 and 15,358.50

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Solution

The fourth proportional to 30,945.06, 46,421.91 and 15,358.50 is: 23,039.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,945.06 : 46,421.91 = 15,358.50 : x
  2. Step 2: Convert to fraction form
    30,945.06/46,421.91 = 15,358.50/x
  3. Step 3: Cross multiply
    30,945.06x = 46,421.91 × 15,358.50
  4. Step 4: Simplify right side
    30,945.06x = 712,970,904.74
  5. Step 5: Solve for x
    x = 712,970,904.74/30,945.06
  6. Step 6: Final answer
    x = 23,039.89

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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.