Home / 42,806.95-64,221.36-16,504.63

Finding the Fourth Proportional to 42,806.95, 64,221.36 and 16,504.63

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Solution

The fourth proportional to 42,806.95, 64,221.36 and 16,504.63 is: 24,761.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,806.95 : 64,221.36 = 16,504.63 : x
  2. Step 2: Convert to fraction form
    42,806.95/64,221.36 = 16,504.63/x
  3. Step 3: Cross multiply
    42,806.95x = 64,221.36 × 16,504.63
  4. Step 4: Simplify right side
    42,806.95x = 1,059,949,784.90
  5. Step 5: Solve for x
    x = 1,059,949,784.90/42,806.95
  6. Step 6: Final answer
    x = 24,761.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.