Home / 53,324.72-73,578.48-30,658.40

Finding the Fourth Proportional to 53,324.72, 73,578.48 and 30,658.40

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Solution

The fourth proportional to 53,324.72, 73,578.48 and 30,658.40 is: 42,303.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,324.72 : 73,578.48 = 30,658.40 : x
  2. Step 2: Convert to fraction form
    53,324.72/73,578.48 = 30,658.40/x
  3. Step 3: Cross multiply
    53,324.72x = 73,578.48 × 30,658.40
  4. Step 4: Simplify right side
    53,324.72x = 2,255,798,471.23
  5. Step 5: Solve for x
    x = 2,255,798,471.23/53,324.72
  6. Step 6: Final answer
    x = 42,303.05

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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.