Home / 35,416.76-53,099.10-21,381.80

Finding the Fourth Proportional to 35,416.76, 53,099.10 and 21,381.80

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Solution

The fourth proportional to 35,416.76, 53,099.10 and 21,381.80 is: 32,056.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,416.76 : 53,099.10 = 21,381.80 : x
  2. Step 2: Convert to fraction form
    35,416.76/53,099.10 = 21,381.80/x
  3. Step 3: Cross multiply
    35,416.76x = 53,099.10 × 21,381.80
  4. Step 4: Simplify right side
    35,416.76x = 1,135,354,336.38
  5. Step 5: Solve for x
    x = 1,135,354,336.38/35,416.76
  6. Step 6: Final answer
    x = 32,056.98

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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.