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Finding the Fourth Proportional to 45,945, 63,404.16 and 26,073

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Solution

The fourth proportional to 45,945, 63,404.16 and 26,073 is: 35,980.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,945 : 63,404.16 = 26,073 : x
  2. Step 2: Convert to fraction form
    45,945/63,404.16 = 26,073/x
  3. Step 3: Cross multiply
    45,945x = 63,404.16 × 26,073
  4. Step 4: Simplify right side
    45,945x = 1,653,136,663.68
  5. Step 5: Solve for x
    x = 1,653,136,663.68/45,945
  6. Step 6: Final answer
    x = 35,980.77

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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.