Home / 51,417.55-70,953.26-28,446.02

Finding the Fourth Proportional to 51,417.55, 70,953.26 and 28,446.02

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Solution

The fourth proportional to 51,417.55, 70,953.26 and 28,446.02 is: 39,253.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,417.55 : 70,953.26 = 28,446.02 : x
  2. Step 2: Convert to fraction form
    51,417.55/70,953.26 = 28,446.02/x
  3. Step 3: Cross multiply
    51,417.55x = 70,953.26 × 28,446.02
  4. Step 4: Simplify right side
    51,417.55x = 2,018,337,356.03
  5. Step 5: Solve for x
    x = 2,018,337,356.03/51,417.55
  6. Step 6: Final answer
    x = 39,253.86

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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.