Home / 39,880.26-59,754.78-31,613.40

Finding the Fourth Proportional to 39,880.26, 59,754.78 and 31,613.40

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Solution

The fourth proportional to 39,880.26, 59,754.78 and 31,613.40 is: 47,368.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,880.26 : 59,754.78 = 31,613.40 : x
  2. Step 2: Convert to fraction form
    39,880.26/59,754.78 = 31,613.40/x
  3. Step 3: Cross multiply
    39,880.26x = 59,754.78 × 31,613.40
  4. Step 4: Simplify right side
    39,880.26x = 1,889,051,762.05
  5. Step 5: Solve for x
    x = 1,889,051,762.05/39,880.26
  6. Step 6: Final answer
    x = 47,368.09

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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.