Home / 53,148.32-73,336.98-30,488.26

Finding the Fourth Proportional to 53,148.32, 73,336.98 and 30,488.26

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Solution

The fourth proportional to 53,148.32, 73,336.98 and 30,488.26 is: 42,069.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,148.32 : 73,336.98 = 30,488.26 : x
  2. Step 2: Convert to fraction form
    53,148.32/73,336.98 = 30,488.26/x
  3. Step 3: Cross multiply
    53,148.32x = 73,336.98 × 30,488.26
  4. Step 4: Simplify right side
    53,148.32x = 2,235,916,913.85
  5. Step 5: Solve for x
    x = 2,235,916,913.85/53,148.32
  6. Step 6: Final answer
    x = 42,069.38

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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.