Home / 32,847.12-45,332.64-18,697.68

Finding the Fourth Proportional to 32,847.12, 45,332.64 and 18,697.68

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Solution

The fourth proportional to 32,847.12, 45,332.64 and 18,697.68 is: 25,804.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,847.12 : 45,332.64 = 18,697.68 : x
  2. Step 2: Convert to fraction form
    32,847.12/45,332.64 = 18,697.68/x
  3. Step 3: Cross multiply
    32,847.12x = 45,332.64 × 18,697.68
  4. Step 4: Simplify right side
    32,847.12x = 847,615,196.28
  5. Step 5: Solve for x
    x = 847,615,196.28/32,847.12
  6. Step 6: Final answer
    x = 25,804.86

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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.