Home / 56,455.35-84,729.61-28,383.38

Finding the Fourth Proportional to 56,455.35, 84,729.61 and 28,383.38

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Solution

The fourth proportional to 56,455.35, 84,729.61 and 28,383.38 is: 42,598.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,455.35 : 84,729.61 = 28,383.38 : x
  2. Step 2: Convert to fraction form
    56,455.35/84,729.61 = 28,383.38/x
  3. Step 3: Cross multiply
    56,455.35x = 84,729.61 × 28,383.38
  4. Step 4: Simplify right side
    56,455.35x = 2,404,912,527.71
  5. Step 5: Solve for x
    x = 2,404,912,527.71/56,455.35
  6. Step 6: Final answer
    x = 42,598.49

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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.