Home / 35,307.08-48,722.82-19,391.40

Finding the Fourth Proportional to 35,307.08, 48,722.82 and 19,391.40

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Solution

The fourth proportional to 35,307.08, 48,722.82 and 19,391.40 is: 26,759.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,307.08 : 48,722.82 = 19,391.40 : x
  2. Step 2: Convert to fraction form
    35,307.08/48,722.82 = 19,391.40/x
  3. Step 3: Cross multiply
    35,307.08x = 48,722.82 × 19,391.40
  4. Step 4: Simplify right side
    35,307.08x = 944,803,691.75
  5. Step 5: Solve for x
    x = 944,803,691.75/35,307.08
  6. Step 6: Final answer
    x = 26,759.61

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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.