Home / 35,477.88-53,209.98-11,781.72

Finding the Fourth Proportional to 35,477.88, 53,209.98 and 11,781.72

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Solution

The fourth proportional to 35,477.88, 53,209.98 and 11,781.72 is: 17,670.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,477.88 : 53,209.98 = 11,781.72 : x
  2. Step 2: Convert to fraction form
    35,477.88/53,209.98 = 11,781.72/x
  3. Step 3: Cross multiply
    35,477.88x = 53,209.98 × 11,781.72
  4. Step 4: Simplify right side
    35,477.88x = 626,905,085.57
  5. Step 5: Solve for x
    x = 626,905,085.57/35,477.88
  6. Step 6: Final answer
    x = 17,670.31

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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.