Home / 30,900.56-46,315.14-14,225.64

Finding the Fourth Proportional to 30,900.56, 46,315.14 and 14,225.64

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Solution

The fourth proportional to 30,900.56, 46,315.14 and 14,225.64 is: 21,322.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,900.56 : 46,315.14 = 14,225.64 : x
  2. Step 2: Convert to fraction form
    30,900.56/46,315.14 = 14,225.64/x
  3. Step 3: Cross multiply
    30,900.56x = 46,315.14 × 14,225.64
  4. Step 4: Simplify right side
    30,900.56x = 658,862,508.19
  5. Step 5: Solve for x
    x = 658,862,508.19/30,900.56
  6. Step 6: Final answer
    x = 21,322.02

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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.