Home / 30,762.19-46,143.24-14,111.20

Finding the Fourth Proportional to 30,762.19, 46,143.24 and 14,111.20

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Solution

The fourth proportional to 30,762.19, 46,143.24 and 14,111.20 is: 21,166.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,762.19 : 46,143.24 = 14,111.20 : x
  2. Step 2: Convert to fraction form
    30,762.19/46,143.24 = 14,111.20/x
  3. Step 3: Cross multiply
    30,762.19x = 46,143.24 × 14,111.20
  4. Step 4: Simplify right side
    30,762.19x = 651,136,488.29
  5. Step 5: Solve for x
    x = 651,136,488.29/30,762.19
  6. Step 6: Final answer
    x = 21,166.78

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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.