Home / 58,537.98-80,817.21-38,430.05

Finding the Fourth Proportional to 58,537.98, 80,817.21 and 38,430.05

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Solution

The fourth proportional to 58,537.98, 80,817.21 and 38,430.05 is: 53,056.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,537.98 : 80,817.21 = 38,430.05 : x
  2. Step 2: Convert to fraction form
    58,537.98/80,817.21 = 38,430.05/x
  3. Step 3: Cross multiply
    58,537.98x = 80,817.21 × 38,430.05
  4. Step 4: Simplify right side
    58,537.98x = 3,105,809,017.07
  5. Step 5: Solve for x
    x = 3,105,809,017.07/58,537.98
  6. Step 6: Final answer
    x = 53,056.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.