Home / 31,782.04-47,622.33-25,830.09

Finding the Fourth Proportional to 31,782.04, 47,622.33 and 25,830.09

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Solution

The fourth proportional to 31,782.04, 47,622.33 and 25,830.09 is: 38,703.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,782.04 : 47,622.33 = 25,830.09 : x
  2. Step 2: Convert to fraction form
    31,782.04/47,622.33 = 25,830.09/x
  3. Step 3: Cross multiply
    31,782.04x = 47,622.33 × 25,830.09
  4. Step 4: Simplify right side
    31,782.04x = 1,230,089,069.91
  5. Step 5: Solve for x
    x = 1,230,089,069.91/31,782.04
  6. Step 6: Final answer
    x = 38,703.91

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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.