Home / 36,345.02-50,148.78-21,234.76

Finding the Fourth Proportional to 36,345.02, 50,148.78 and 21,234.76

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Solution

The fourth proportional to 36,345.02, 50,148.78 and 21,234.76 is: 29,299.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,345.02 : 50,148.78 = 21,234.76 : x
  2. Step 2: Convert to fraction form
    36,345.02/50,148.78 = 21,234.76/x
  3. Step 3: Cross multiply
    36,345.02x = 50,148.78 × 21,234.76
  4. Step 4: Simplify right side
    36,345.02x = 1,064,897,307.59
  5. Step 5: Solve for x
    x = 1,064,897,307.59/36,345.02
  6. Step 6: Final answer
    x = 29,299.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.