Home / 31,312.83-46,851.54-21,971.07

Finding the Fourth Proportional to 31,312.83, 46,851.54 and 21,971.07

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Solution

The fourth proportional to 31,312.83, 46,851.54 and 21,971.07 is: 32,874.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,312.83 : 46,851.54 = 21,971.07 : x
  2. Step 2: Convert to fraction form
    31,312.83/46,851.54 = 21,971.07/x
  3. Step 3: Cross multiply
    31,312.83x = 46,851.54 × 21,971.07
  4. Step 4: Simplify right side
    31,312.83x = 1,029,378,576.12
  5. Step 5: Solve for x
    x = 1,029,378,576.12/31,312.83
  6. Step 6: Final answer
    x = 32,874.02

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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.