Home / 53,882.40-80,823.60-51,607.20

Finding the Fourth Proportional to 53,882.40, 80,823.60 and 51,607.20

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Solution

The fourth proportional to 53,882.40, 80,823.60 and 51,607.20 is: 77,410.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,882.40 : 80,823.60 = 51,607.20 : x
  2. Step 2: Convert to fraction form
    53,882.40/80,823.60 = 51,607.20/x
  3. Step 3: Cross multiply
    53,882.40x = 80,823.60 × 51,607.20
  4. Step 4: Simplify right side
    53,882.40x = 4,171,079,689.92
  5. Step 5: Solve for x
    x = 4,171,079,689.92/53,882.40
  6. Step 6: Final answer
    x = 77,410.80

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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.