Home / 53,352.22-73,622.28-29,478.64

Finding the Fourth Proportional to 53,352.22, 73,622.28 and 29,478.64

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Solution

The fourth proportional to 53,352.22, 73,622.28 and 29,478.64 is: 40,678.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,352.22 : 73,622.28 = 29,478.64 : x
  2. Step 2: Convert to fraction form
    53,352.22/73,622.28 = 29,478.64/x
  3. Step 3: Cross multiply
    53,352.22x = 73,622.28 × 29,478.64
  4. Step 4: Simplify right side
    53,352.22x = 2,170,284,688.10
  5. Step 5: Solve for x
    x = 2,170,284,688.10/53,352.22
  6. Step 6: Final answer
    x = 40,678.43

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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.