Home / 45,856.49-68,725.52-20,537.51

Finding the Fourth Proportional to 45,856.49, 68,725.52 and 20,537.51

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Solution

The fourth proportional to 45,856.49, 68,725.52 and 20,537.51 is: 30,779.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,856.49 : 68,725.52 = 20,537.51 : x
  2. Step 2: Convert to fraction form
    45,856.49/68,725.52 = 20,537.51/x
  3. Step 3: Cross multiply
    45,856.49x = 68,725.52 × 20,537.51
  4. Step 4: Simplify right side
    45,856.49x = 1,411,450,710.63
  5. Step 5: Solve for x
    x = 1,411,450,710.63/45,856.49
  6. Step 6: Final answer
    x = 30,779.74

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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.