Home / 46,271.60-69,397-21,287.68

Finding the Fourth Proportional to 46,271.60, 69,397 and 21,287.68

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Solution

The fourth proportional to 46,271.60, 69,397 and 21,287.68 is: 31,926.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,271.60 : 69,397 = 21,287.68 : x
  2. Step 2: Convert to fraction form
    46,271.60/69,397 = 21,287.68/x
  3. Step 3: Cross multiply
    46,271.60x = 69,397 × 21,287.68
  4. Step 4: Simplify right side
    46,271.60x = 1,477,301,128.96
  5. Step 5: Solve for x
    x = 1,477,301,128.96/46,271.60
  6. Step 6: Final answer
    x = 31,926.74

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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.