Home / 52,710.15-79,075.80-19,430.37

Finding the Fourth Proportional to 52,710.15, 79,075.80 and 19,430.37

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Solution

The fourth proportional to 52,710.15, 79,075.80 and 19,430.37 is: 29,149.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,710.15 : 79,075.80 = 19,430.37 : x
  2. Step 2: Convert to fraction form
    52,710.15/79,075.80 = 19,430.37/x
  3. Step 3: Cross multiply
    52,710.15x = 79,075.80 × 19,430.37
  4. Step 4: Simplify right side
    52,710.15x = 1,536,472,052.05
  5. Step 5: Solve for x
    x = 1,536,472,052.05/52,710.15
  6. Step 6: Final answer
    x = 29,149.45

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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.