Home / 35,431.05-48,894.84-19,515.50

Finding the Fourth Proportional to 35,431.05, 48,894.84 and 19,515.50

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Solution

The fourth proportional to 35,431.05, 48,894.84 and 19,515.50 is: 26,931.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,431.05 : 48,894.84 = 19,515.50 : x
  2. Step 2: Convert to fraction form
    35,431.05/48,894.84 = 19,515.50/x
  3. Step 3: Cross multiply
    35,431.05x = 48,894.84 × 19,515.50
  4. Step 4: Simplify right side
    35,431.05x = 954,207,262.08
  5. Step 5: Solve for x
    x = 954,207,262.08/35,431.05
  6. Step 6: Final answer
    x = 26,931.39

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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.