Home / 43,578.87-60,140.16-30,854.76

Finding the Fourth Proportional to 43,578.87, 60,140.16 and 30,854.76

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Solution

The fourth proportional to 43,578.87, 60,140.16 and 30,854.76 is: 42,580.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,578.87 : 60,140.16 = 30,854.76 : x
  2. Step 2: Convert to fraction form
    43,578.87/60,140.16 = 30,854.76/x
  3. Step 3: Cross multiply
    43,578.87x = 60,140.16 × 30,854.76
  4. Step 4: Simplify right side
    43,578.87x = 1,855,610,203.16
  5. Step 5: Solve for x
    x = 1,855,610,203.16/43,578.87
  6. Step 6: Final answer
    x = 42,580.50

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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.