Home / 35,445.40-53,175.30-12,074.20

Finding the Fourth Proportional to 35,445.40, 53,175.30 and 12,074.20

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Solution

The fourth proportional to 35,445.40, 53,175.30 and 12,074.20 is: 18,113.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,445.40 : 53,175.30 = 12,074.20 : x
  2. Step 2: Convert to fraction form
    35,445.40/53,175.30 = 12,074.20/x
  3. Step 3: Cross multiply
    35,445.40x = 53,175.30 × 12,074.20
  4. Step 4: Simplify right side
    35,445.40x = 642,049,207.26
  5. Step 5: Solve for x
    x = 642,049,207.26/35,445.40
  6. Step 6: Final answer
    x = 18,113.75

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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.