Home / 42,053.49-63,090.36-15,758.46

Finding the Fourth Proportional to 42,053.49, 63,090.36 and 15,758.46

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Solution

The fourth proportional to 42,053.49, 63,090.36 and 15,758.46 is: 23,641.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,053.49 : 63,090.36 = 15,758.46 : x
  2. Step 2: Convert to fraction form
    42,053.49/63,090.36 = 15,758.46/x
  3. Step 3: Cross multiply
    42,053.49x = 63,090.36 × 15,758.46
  4. Step 4: Simplify right side
    42,053.49x = 994,206,914.45
  5. Step 5: Solve for x
    x = 994,206,914.45/42,053.49
  6. Step 6: Final answer
    x = 23,641.48

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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.