Home / 53,488.08-73,813.28-28,958.90

Finding the Fourth Proportional to 53,488.08, 73,813.28 and 28,958.90

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Solution

The fourth proportional to 53,488.08, 73,813.28 and 28,958.90 is: 39,963.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,488.08 : 73,813.28 = 28,958.90 : x
  2. Step 2: Convert to fraction form
    53,488.08/73,813.28 = 28,958.90/x
  3. Step 3: Cross multiply
    53,488.08x = 73,813.28 × 28,958.90
  4. Step 4: Simplify right side
    53,488.08x = 2,137,551,394.19
  5. Step 5: Solve for x
    x = 2,137,551,394.19/53,488.08
  6. Step 6: Final answer
    x = 39,963.14

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1.5x scale

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.