Home / 39,353.48-54,307.86-21,448.50

Finding the Fourth Proportional to 39,353.48, 54,307.86 and 21,448.50

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Solution

The fourth proportional to 39,353.48, 54,307.86 and 21,448.50 is: 29,598.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,353.48 : 54,307.86 = 21,448.50 : x
  2. Step 2: Convert to fraction form
    39,353.48/54,307.86 = 21,448.50/x
  3. Step 3: Cross multiply
    39,353.48x = 54,307.86 × 21,448.50
  4. Step 4: Simplify right side
    39,353.48x = 1,164,822,135.21
  5. Step 5: Solve for x
    x = 1,164,822,135.21/39,353.48
  6. Step 6: Final answer
    x = 29,598.96

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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.