Home / 35,430.75-48,893.91-19,515.21

Finding the Fourth Proportional to 35,430.75, 48,893.91 and 19,515.21

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Solution

The fourth proportional to 35,430.75, 48,893.91 and 19,515.21 is: 26,930.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,430.75 : 48,893.91 = 19,515.21 : x
  2. Step 2: Convert to fraction form
    35,430.75/48,893.91 = 19,515.21/x
  3. Step 3: Cross multiply
    35,430.75x = 48,893.91 × 19,515.21
  4. Step 4: Simplify right side
    35,430.75x = 954,174,921.37
  5. Step 5: Solve for x
    x = 954,174,921.37/35,430.75
  6. Step 6: Final answer
    x = 26,930.70

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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.