Home / 30,904.20-46,370.70-23,128.20

Finding the Fourth Proportional to 30,904.20, 46,370.70 and 23,128.20

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Solution

The fourth proportional to 30,904.20, 46,370.70 and 23,128.20 is: 34,703.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,904.20 : 46,370.70 = 23,128.20 : x
  2. Step 2: Convert to fraction form
    30,904.20/46,370.70 = 23,128.20/x
  3. Step 3: Cross multiply
    30,904.20x = 46,370.70 × 23,128.20
  4. Step 4: Simplify right side
    30,904.20x = 1,072,470,823.74
  5. Step 5: Solve for x
    x = 1,072,470,823.74/30,904.20
  6. Step 6: Final answer
    x = 34,703.08

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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.