Home / 52,541.47-72,507.45-28,668.64

Finding the Fourth Proportional to 52,541.47, 72,507.45 and 28,668.64

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Solution

The fourth proportional to 52,541.47, 72,507.45 and 28,668.64 is: 39,562.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,541.47 : 72,507.45 = 28,668.64 : x
  2. Step 2: Convert to fraction form
    52,541.47/72,507.45 = 28,668.64/x
  3. Step 3: Cross multiply
    52,541.47x = 72,507.45 × 28,668.64
  4. Step 4: Simplify right side
    52,541.47x = 2,078,689,981.37
  5. Step 5: Solve for x
    x = 2,078,689,981.37/52,541.47
  6. Step 6: Final answer
    x = 39,562.84

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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.