Home / 35,319.80-53,018.10-19,767.80

Finding the Fourth Proportional to 35,319.80, 53,018.10 and 19,767.80

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Solution

The fourth proportional to 35,319.80, 53,018.10 and 19,767.80 is: 29,673.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,319.80 : 53,018.10 = 19,767.80 : x
  2. Step 2: Convert to fraction form
    35,319.80/53,018.10 = 19,767.80/x
  3. Step 3: Cross multiply
    35,319.80x = 53,018.10 × 19,767.80
  4. Step 4: Simplify right side
    35,319.80x = 1,048,051,197.18
  5. Step 5: Solve for x
    x = 1,048,051,197.18/35,319.80
  6. Step 6: Final answer
    x = 29,673.19

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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.