Home / 56,263.40-84,384.30-16,821.80

Finding the Fourth Proportional to 56,263.40, 84,384.30 and 16,821.80

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Solution

The fourth proportional to 56,263.40, 84,384.30 and 16,821.80 is: 25,229.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,263.40 : 84,384.30 = 16,821.80 : x
  2. Step 2: Convert to fraction form
    56,263.40/84,384.30 = 16,821.80/x
  3. Step 3: Cross multiply
    56,263.40x = 84,384.30 × 16,821.80
  4. Step 4: Simplify right side
    56,263.40x = 1,419,495,817.74
  5. Step 5: Solve for x
    x = 1,419,495,817.74/56,263.40
  6. Step 6: Final answer
    x = 25,229.47

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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.