Home / 40,820.17-61,230.57-11,239.63

Finding the Fourth Proportional to 40,820.17, 61,230.57 and 11,239.63

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Solution

The fourth proportional to 40,820.17, 61,230.57 and 11,239.63 is: 16,859.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,820.17 : 61,230.57 = 11,239.63 : x
  2. Step 2: Convert to fraction form
    40,820.17/61,230.57 = 11,239.63/x
  3. Step 3: Cross multiply
    40,820.17x = 61,230.57 × 11,239.63
  4. Step 4: Simplify right side
    40,820.17x = 688,208,951.49
  5. Step 5: Solve for x
    x = 688,208,951.49/40,820.17
  6. Step 6: Final answer
    x = 16,859.53

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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.