Home / 42,746.82-64,120.23-11,581.26

Finding the Fourth Proportional to 42,746.82, 64,120.23 and 11,581.26

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Solution

The fourth proportional to 42,746.82, 64,120.23 and 11,581.26 is: 17,371.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,746.82 : 64,120.23 = 11,581.26 : x
  2. Step 2: Convert to fraction form
    42,746.82/64,120.23 = 11,581.26/x
  3. Step 3: Cross multiply
    42,746.82x = 64,120.23 × 11,581.26
  4. Step 4: Simplify right side
    42,746.82x = 742,593,054.89
  5. Step 5: Solve for x
    x = 742,593,054.89/42,746.82
  6. Step 6: Final answer
    x = 17,371.89

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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.