Home / 40,461.15-55,834.02-30,907.56

Finding the Fourth Proportional to 40,461.15, 55,834.02 and 30,907.56

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Solution

The fourth proportional to 40,461.15, 55,834.02 and 30,907.56 is: 42,650.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,461.15 : 55,834.02 = 30,907.56 : x
  2. Step 2: Convert to fraction form
    40,461.15/55,834.02 = 30,907.56/x
  3. Step 3: Cross multiply
    40,461.15x = 55,834.02 × 30,907.56
  4. Step 4: Simplify right side
    40,461.15x = 1,725,693,323.19
  5. Step 5: Solve for x
    x = 1,725,693,323.19/40,461.15
  6. Step 6: Final answer
    x = 42,650.62

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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.