Home / 53,778.20-74,213.76-29,907.08

Finding the Fourth Proportional to 53,778.20, 74,213.76 and 29,907.08

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Solution

The fourth proportional to 53,778.20, 74,213.76 and 29,907.08 is: 41,271.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,778.20 : 74,213.76 = 29,907.08 : x
  2. Step 2: Convert to fraction form
    53,778.20/74,213.76 = 29,907.08/x
  3. Step 3: Cross multiply
    53,778.20x = 74,213.76 × 29,907.08
  4. Step 4: Simplify right side
    53,778.20x = 2,219,516,857.42
  5. Step 5: Solve for x
    x = 2,219,516,857.42/53,778.20
  6. Step 6: Final answer
    x = 41,271.68

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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.