Home / 40,333.20-60,485.40-14,038.80

Finding the Fourth Proportional to 40,333.20, 60,485.40 and 14,038.80

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Solution

The fourth proportional to 40,333.20, 60,485.40 and 14,038.80 is: 21,053.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,333.20 : 60,485.40 = 14,038.80 : x
  2. Step 2: Convert to fraction form
    40,333.20/60,485.40 = 14,038.80/x
  3. Step 3: Cross multiply
    40,333.20x = 60,485.40 × 14,038.80
  4. Step 4: Simplify right side
    40,333.20x = 849,142,433.52
  5. Step 5: Solve for x
    x = 849,142,433.52/40,333.20
  6. Step 6: Final answer
    x = 21,053.19

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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.