Home / 84,950.32-127,427.24-30,913.15

Finding the Fourth Proportional to 84,950.32, 127,427.24 and 30,913.15

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Solution

The fourth proportional to 84,950.32, 127,427.24 and 30,913.15 is: 46,370.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,950.32 : 127,427.24 = 30,913.15 : x
  2. Step 2: Convert to fraction form
    84,950.32/127,427.24 = 30,913.15/x
  3. Step 3: Cross multiply
    84,950.32x = 127,427.24 × 30,913.15
  4. Step 4: Simplify right side
    84,950.32x = 3,939,177,384.21
  5. Step 5: Solve for x
    x = 3,939,177,384.21/84,950.32
  6. Step 6: Final answer
    x = 46,370.37

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1.5x scale

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.