Home / 36,307.42-54,459.65-12,620.34

Finding the Fourth Proportional to 36,307.42, 54,459.65 and 12,620.34

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Solution

The fourth proportional to 36,307.42, 54,459.65 and 12,620.34 is: 18,929.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,307.42 : 54,459.65 = 12,620.34 : x
  2. Step 2: Convert to fraction form
    36,307.42/54,459.65 = 12,620.34/x
  3. Step 3: Cross multiply
    36,307.42x = 54,459.65 × 12,620.34
  4. Step 4: Simplify right side
    36,307.42x = 687,299,031.96
  5. Step 5: Solve for x
    x = 687,299,031.96/36,307.42
  6. Step 6: Final answer
    x = 18,929.99

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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.