Home / 30,430.04-45,640.44-10,703.97

Finding the Fourth Proportional to 30,430.04, 45,640.44 and 10,703.97

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Solution

The fourth proportional to 30,430.04, 45,640.44 and 10,703.97 is: 16,054.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,430.04 : 45,640.44 = 10,703.97 : x
  2. Step 2: Convert to fraction form
    30,430.04/45,640.44 = 10,703.97/x
  3. Step 3: Cross multiply
    30,430.04x = 45,640.44 × 10,703.97
  4. Step 4: Simplify right side
    30,430.04x = 488,533,900.55
  5. Step 5: Solve for x
    x = 488,533,900.55/30,430.04
  6. Step 6: Final answer
    x = 16,054.33

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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.