Home / 51,091.07-70,503.75-28,430.91

Finding the Fourth Proportional to 51,091.07, 70,503.75 and 28,430.91

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Solution

The fourth proportional to 51,091.07, 70,503.75 and 28,430.91 is: 39,233.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,091.07 : 70,503.75 = 28,430.91 : x
  2. Step 2: Convert to fraction form
    51,091.07/70,503.75 = 28,430.91/x
  3. Step 3: Cross multiply
    51,091.07x = 70,503.75 × 28,430.91
  4. Step 4: Simplify right side
    51,091.07x = 2,004,485,770.91
  5. Step 5: Solve for x
    x = 2,004,485,770.91/51,091.07
  6. Step 6: Final answer
    x = 39,233.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.