Home / 31,088.64-46,605.44-21,246.72

Finding the Fourth Proportional to 31,088.64, 46,605.44 and 21,246.72

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Solution

The fourth proportional to 31,088.64, 46,605.44 and 21,246.72 is: 31,851.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,088.64 : 46,605.44 = 21,246.72 : x
  2. Step 2: Convert to fraction form
    31,088.64/46,605.44 = 21,246.72/x
  3. Step 3: Cross multiply
    31,088.64x = 46,605.44 × 21,246.72
  4. Step 4: Simplify right side
    31,088.64x = 990,212,734.16
  5. Step 5: Solve for x
    x = 990,212,734.16/31,088.64
  6. Step 6: Final answer
    x = 31,851.27

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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.