Home / 40,840.08-61,269.84-15,880.74

Finding the Fourth Proportional to 40,840.08, 61,269.84 and 15,880.74

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Solution

The fourth proportional to 40,840.08, 61,269.84 and 15,880.74 is: 23,824.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,840.08 : 61,269.84 = 15,880.74 : x
  2. Step 2: Convert to fraction form
    40,840.08/61,269.84 = 15,880.74/x
  3. Step 3: Cross multiply
    40,840.08x = 61,269.84 × 15,880.74
  4. Step 4: Simplify right side
    40,840.08x = 973,010,398.88
  5. Step 5: Solve for x
    x = 973,010,398.88/40,840.08
  6. Step 6: Final answer
    x = 23,824.89

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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.