Home / 30,820.16-46,193.06-14,157.20

Finding the Fourth Proportional to 30,820.16, 46,193.06 and 14,157.20

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Solution

The fourth proportional to 30,820.16, 46,193.06 and 14,157.20 is: 21,218.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,820.16 : 46,193.06 = 14,157.20 : x
  2. Step 2: Convert to fraction form
    30,820.16/46,193.06 = 14,157.20/x
  3. Step 3: Cross multiply
    30,820.16x = 46,193.06 × 14,157.20
  4. Step 4: Simplify right side
    30,820.16x = 653,964,389.03
  5. Step 5: Solve for x
    x = 653,964,389.03/30,820.16
  6. Step 6: Final answer
    x = 21,218.72

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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.