Home / 40,445.80-60,647.10-14,151.40

Finding the Fourth Proportional to 40,445.80, 60,647.10 and 14,151.40

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Solution

The fourth proportional to 40,445.80, 60,647.10 and 14,151.40 is: 21,219.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,445.80 : 60,647.10 = 14,151.40 : x
  2. Step 2: Convert to fraction form
    40,445.80/60,647.10 = 14,151.40/x
  3. Step 3: Cross multiply
    40,445.80x = 60,647.10 × 14,151.40
  4. Step 4: Simplify right side
    40,445.80x = 858,241,370.94
  5. Step 5: Solve for x
    x = 858,241,370.94/40,445.80
  6. Step 6: Final answer
    x = 21,219.54

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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.