Home / 75,035.63-112,525.20-30,638.62

Finding the Fourth Proportional to 75,035.63, 112,525.20 and 30,638.62

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Solution

The fourth proportional to 75,035.63, 112,525.20 and 30,638.62 is: 45,946.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,035.63 : 112,525.20 = 30,638.62 : x
  2. Step 2: Convert to fraction form
    75,035.63/112,525.20 = 30,638.62/x
  3. Step 3: Cross multiply
    75,035.63x = 112,525.20 × 30,638.62
  4. Step 4: Simplify right side
    75,035.63x = 3,447,616,983.88
  5. Step 5: Solve for x
    x = 3,447,616,983.88/75,035.63
  6. Step 6: Final answer
    x = 45,946.40

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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.