Home / 51,402.40-77,103.60-16,345.60

Finding the Fourth Proportional to 51,402.40, 77,103.60 and 16,345.60

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Solution

The fourth proportional to 51,402.40, 77,103.60 and 16,345.60 is: 24,518.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,402.40 : 77,103.60 = 16,345.60 : x
  2. Step 2: Convert to fraction form
    51,402.40/77,103.60 = 16,345.60/x
  3. Step 3: Cross multiply
    51,402.40x = 77,103.60 × 16,345.60
  4. Step 4: Simplify right side
    51,402.40x = 1,260,304,604.16
  5. Step 5: Solve for x
    x = 1,260,304,604.16/51,402.40
  6. Step 6: Final answer
    x = 24,518.40

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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.