Home / 43,666.77-65,445.35-18,677.45

Finding the Fourth Proportional to 43,666.77, 65,445.35 and 18,677.45

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Solution

The fourth proportional to 43,666.77, 65,445.35 and 18,677.45 is: 27,992.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,666.77 : 65,445.35 = 18,677.45 : x
  2. Step 2: Convert to fraction form
    43,666.77/65,445.35 = 18,677.45/x
  3. Step 3: Cross multiply
    43,666.77x = 65,445.35 × 18,677.45
  4. Step 4: Simplify right side
    43,666.77x = 1,222,351,831.74
  5. Step 5: Solve for x
    x = 1,222,351,831.74/43,666.77
  6. Step 6: Final answer
    x = 27,992.72

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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.