Home / 40,814.40-61,220.16-16,190.40

Finding the Fourth Proportional to 40,814.40, 61,220.16 and 16,190.40

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Solution

The fourth proportional to 40,814.40, 61,220.16 and 16,190.40 is: 24,285.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,814.40 : 61,220.16 = 16,190.40 : x
  2. Step 2: Convert to fraction form
    40,814.40/61,220.16 = 16,190.40/x
  3. Step 3: Cross multiply
    40,814.40x = 61,220.16 × 16,190.40
  4. Step 4: Simplify right side
    40,814.40x = 991,178,878.46
  5. Step 5: Solve for x
    x = 991,178,878.46/40,814.40
  6. Step 6: Final answer
    x = 24,285.03

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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.