Home / 31,658.04-47,464.92-13,880.16

Finding the Fourth Proportional to 31,658.04, 47,464.92 and 13,880.16

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Solution

The fourth proportional to 31,658.04, 47,464.92 and 13,880.16 is: 20,810.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,658.04 : 47,464.92 = 13,880.16 : x
  2. Step 2: Convert to fraction form
    31,658.04/47,464.92 = 13,880.16/x
  3. Step 3: Cross multiply
    31,658.04x = 47,464.92 × 13,880.16
  4. Step 4: Simplify right side
    31,658.04x = 658,820,683.99
  5. Step 5: Solve for x
    x = 658,820,683.99/31,658.04
  6. Step 6: Final answer
    x = 20,810.53

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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.