Home / 35,007.15-48,307.94-19,897.72

Finding the Fourth Proportional to 35,007.15, 48,307.94 and 19,897.72

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Solution

The fourth proportional to 35,007.15, 48,307.94 and 19,897.72 is: 27,457.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,007.15 : 48,307.94 = 19,897.72 : x
  2. Step 2: Convert to fraction form
    35,007.15/48,307.94 = 19,897.72/x
  3. Step 3: Cross multiply
    35,007.15x = 48,307.94 × 19,897.72
  4. Step 4: Simplify right side
    35,007.15x = 961,217,718.25
  5. Step 5: Solve for x
    x = 961,217,718.25/35,007.15
  6. Step 6: Final answer
    x = 27,457.75

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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.