Home / 39,353.32-54,307.24-21,448.32

Finding the Fourth Proportional to 39,353.32, 54,307.24 and 21,448.32

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Solution

The fourth proportional to 39,353.32, 54,307.24 and 21,448.32 is: 29,598.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,353.32 : 54,307.24 = 21,448.32 : x
  2. Step 2: Convert to fraction form
    39,353.32/54,307.24 = 21,448.32/x
  3. Step 3: Cross multiply
    39,353.32x = 54,307.24 × 21,448.32
  4. Step 4: Simplify right side
    39,353.32x = 1,164,799,230.69
  5. Step 5: Solve for x
    x = 1,164,799,230.69/39,353.32
  6. Step 6: Final answer
    x = 29,598.50

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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.