Home / 53,220.80-79,845.08-19,941.36

Finding the Fourth Proportional to 53,220.80, 79,845.08 and 19,941.36

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Solution

The fourth proportional to 53,220.80, 79,845.08 and 19,941.36 is: 29,917.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,220.80 : 79,845.08 = 19,941.36 : x
  2. Step 2: Convert to fraction form
    53,220.80/79,845.08 = 19,941.36/x
  3. Step 3: Cross multiply
    53,220.80x = 79,845.08 × 19,941.36
  4. Step 4: Simplify right side
    53,220.80x = 1,592,219,484.51
  5. Step 5: Solve for x
    x = 1,592,219,484.51/53,220.80
  6. Step 6: Final answer
    x = 29,917.24

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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.