Home / 38,807.21-53,528.68-31,722.41

Finding the Fourth Proportional to 38,807.21, 53,528.68 and 31,722.41

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Solution

The fourth proportional to 38,807.21, 53,528.68 and 31,722.41 is: 43,756.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,807.21 : 53,528.68 = 31,722.41 : x
  2. Step 2: Convert to fraction form
    38,807.21/53,528.68 = 31,722.41/x
  3. Step 3: Cross multiply
    38,807.21x = 53,528.68 × 31,722.41
  4. Step 4: Simplify right side
    38,807.21x = 1,698,058,907.19
  5. Step 5: Solve for x
    x = 1,698,058,907.19/38,807.21
  6. Step 6: Final answer
    x = 43,756.27

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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.