Home / 31,018.70-46,491.60-23,218.40

Finding the Fourth Proportional to 31,018.70, 46,491.60 and 23,218.40

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Solution

The fourth proportional to 31,018.70, 46,491.60 and 23,218.40 is: 34,800.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,018.70 : 46,491.60 = 23,218.40 : x
  2. Step 2: Convert to fraction form
    31,018.70/46,491.60 = 23,218.40/x
  3. Step 3: Cross multiply
    31,018.70x = 46,491.60 × 23,218.40
  4. Step 4: Simplify right side
    31,018.70x = 1,079,460,565.44
  5. Step 5: Solve for x
    x = 1,079,460,565.44/31,018.70
  6. Step 6: Final answer
    x = 34,800.32

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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.