Home / 43,439.24-59,915.23-39,865.74

Finding the Fourth Proportional to 43,439.24, 59,915.23 and 39,865.74

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Solution

The fourth proportional to 43,439.24, 59,915.23 and 39,865.74 is: 54,986.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,439.24 : 59,915.23 = 39,865.74 : x
  2. Step 2: Convert to fraction form
    43,439.24/59,915.23 = 39,865.74/x
  3. Step 3: Cross multiply
    43,439.24x = 59,915.23 × 39,865.74
  4. Step 4: Simplify right side
    43,439.24x = 2,388,564,806.37
  5. Step 5: Solve for x
    x = 2,388,564,806.37/43,439.24
  6. Step 6: Final answer
    x = 54,986.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.