Home / 30,701.36-45,812.56-27,391.70

Finding the Fourth Proportional to 30,701.36, 45,812.56 and 27,391.70

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Solution

The fourth proportional to 30,701.36, 45,812.56 and 27,391.70 is: 40,873.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,701.36 : 45,812.56 = 27,391.70 : x
  2. Step 2: Convert to fraction form
    30,701.36/45,812.56 = 27,391.70/x
  3. Step 3: Cross multiply
    30,701.36x = 45,812.56 × 27,391.70
  4. Step 4: Simplify right side
    30,701.36x = 1,254,883,899.75
  5. Step 5: Solve for x
    x = 1,254,883,899.75/30,701.36
  6. Step 6: Final answer
    x = 40,873.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.