Home / 39,764.57-59,646.87-18,689.14

Finding the Fourth Proportional to 39,764.57, 59,646.87 and 18,689.14

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Solution

The fourth proportional to 39,764.57, 59,646.87 and 18,689.14 is: 28,033.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,764.57 : 59,646.87 = 18,689.14 : x
  2. Step 2: Convert to fraction form
    39,764.57/59,646.87 = 18,689.14/x
  3. Step 3: Cross multiply
    39,764.57x = 59,646.87 × 18,689.14
  4. Step 4: Simplify right side
    39,764.57x = 1,114,748,312.31
  5. Step 5: Solve for x
    x = 1,114,748,312.31/39,764.57
  6. Step 6: Final answer
    x = 28,033.71

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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.