Home / 45,318.08-62,569.08-28,347.92

Finding the Fourth Proportional to 45,318.08, 62,569.08 and 28,347.92

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Solution

The fourth proportional to 45,318.08, 62,569.08 and 28,347.92 is: 39,138.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,318.08 : 62,569.08 = 28,347.92 : x
  2. Step 2: Convert to fraction form
    45,318.08/62,569.08 = 28,347.92/x
  3. Step 3: Cross multiply
    45,318.08x = 62,569.08 × 28,347.92
  4. Step 4: Simplify right side
    45,318.08x = 1,773,703,274.31
  5. Step 5: Solve for x
    x = 1,773,703,274.31/45,318.08
  6. Step 6: Final answer
    x = 39,138.98

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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.