Home / 51,382.85-70,888.64-31,232.37

Finding the Fourth Proportional to 51,382.85, 70,888.64 and 31,232.37

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Solution

The fourth proportional to 51,382.85, 70,888.64 and 31,232.37 is: 43,088.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,382.85 : 70,888.64 = 31,232.37 : x
  2. Step 2: Convert to fraction form
    51,382.85/70,888.64 = 31,232.37/x
  3. Step 3: Cross multiply
    51,382.85x = 70,888.64 × 31,232.37
  4. Step 4: Simplify right side
    51,382.85x = 2,214,020,410.50
  5. Step 5: Solve for x
    x = 2,214,020,410.50/51,382.85
  6. Step 6: Final answer
    x = 43,088.71

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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.