Home / 35,162.95-52,738.74-12,986.77

Finding the Fourth Proportional to 35,162.95, 52,738.74 and 12,986.77

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Solution

The fourth proportional to 35,162.95, 52,738.74 and 12,986.77 is: 19,478.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,162.95 : 52,738.74 = 12,986.77 : x
  2. Step 2: Convert to fraction form
    35,162.95/52,738.74 = 12,986.77/x
  3. Step 3: Cross multiply
    35,162.95x = 52,738.74 × 12,986.77
  4. Step 4: Simplify right side
    35,162.95x = 684,905,886.47
  5. Step 5: Solve for x
    x = 684,905,886.47/35,162.95
  6. Step 6: Final answer
    x = 19,478.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.