Home / 51,009.95-70,315.70-35,861.33

Finding the Fourth Proportional to 51,009.95, 70,315.70 and 35,861.33

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Solution

The fourth proportional to 51,009.95, 70,315.70 and 35,861.33 is: 49,433.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,009.95 : 70,315.70 = 35,861.33 : x
  2. Step 2: Convert to fraction form
    51,009.95/70,315.70 = 35,861.33/x
  3. Step 3: Cross multiply
    51,009.95x = 70,315.70 × 35,861.33
  4. Step 4: Simplify right side
    51,009.95x = 2,521,614,518.36
  5. Step 5: Solve for x
    x = 2,521,614,518.36/51,009.95
  6. Step 6: Final answer
    x = 49,433.78

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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.