Home / 46,274.60-69,401.50-21,290.68

Finding the Fourth Proportional to 46,274.60, 69,401.50 and 21,290.68

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Solution

The fourth proportional to 46,274.60, 69,401.50 and 21,290.68 is: 31,931.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,274.60 : 69,401.50 = 21,290.68 : x
  2. Step 2: Convert to fraction form
    46,274.60/69,401.50 = 21,290.68/x
  3. Step 3: Cross multiply
    46,274.60x = 69,401.50 × 21,290.68
  4. Step 4: Simplify right side
    46,274.60x = 1,477,605,128.02
  5. Step 5: Solve for x
    x = 1,477,605,128.02/46,274.60
  6. Step 6: Final answer
    x = 31,931.24

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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.