Home / 52,666.54-78,999.89-21,090.82

Finding the Fourth Proportional to 52,666.54, 78,999.89 and 21,090.82

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Solution

The fourth proportional to 52,666.54, 78,999.89 and 21,090.82 is: 31,636.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,666.54 : 78,999.89 = 21,090.82 : x
  2. Step 2: Convert to fraction form
    52,666.54/78,999.89 = 21,090.82/x
  3. Step 3: Cross multiply
    52,666.54x = 78,999.89 × 21,090.82
  4. Step 4: Simplify right side
    52,666.54x = 1,666,172,460.01
  5. Step 5: Solve for x
    x = 1,666,172,460.01/52,666.54
  6. Step 6: Final answer
    x = 31,636.26

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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.