Home / 43,239.98-64,430.12-38,523.75

Finding the Fourth Proportional to 43,239.98, 64,430.12 and 38,523.75

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Solution

The fourth proportional to 43,239.98, 64,430.12 and 38,523.75 is: 57,402.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,239.98 : 64,430.12 = 38,523.75 : x
  2. Step 2: Convert to fraction form
    43,239.98/64,430.12 = 38,523.75/x
  3. Step 3: Cross multiply
    43,239.98x = 64,430.12 × 38,523.75
  4. Step 4: Simplify right side
    43,239.98x = 2,482,089,642.73
  5. Step 5: Solve for x
    x = 2,482,089,642.73/43,239.98
  6. Step 6: Final answer
    x = 57,402.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.