Home / 38,762.68-58,132.10-12,460.36

Finding the Fourth Proportional to 38,762.68, 58,132.10 and 12,460.36

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Solution

The fourth proportional to 38,762.68, 58,132.10 and 12,460.36 is: 18,686.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,762.68 : 58,132.10 = 12,460.36 : x
  2. Step 2: Convert to fraction form
    38,762.68/58,132.10 = 12,460.36/x
  3. Step 3: Cross multiply
    38,762.68x = 58,132.10 × 12,460.36
  4. Step 4: Simplify right side
    38,762.68x = 724,346,893.56
  5. Step 5: Solve for x
    x = 724,346,893.56/38,762.68
  6. Step 6: Final answer
    x = 18,686.71

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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.