Home / 56,511.84-84,778.72-21,476.16

Finding the Fourth Proportional to 56,511.84, 84,778.72 and 21,476.16

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Solution

The fourth proportional to 56,511.84, 84,778.72 and 21,476.16 is: 32,218.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,511.84 : 84,778.72 = 21,476.16 : x
  2. Step 2: Convert to fraction form
    56,511.84/84,778.72 = 21,476.16/x
  3. Step 3: Cross multiply
    56,511.84x = 84,778.72 × 21,476.16
  4. Step 4: Simplify right side
    56,511.84x = 1,820,721,355.32
  5. Step 5: Solve for x
    x = 1,820,721,355.32/56,511.84
  6. Step 6: Final answer
    x = 32,218.41

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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.