Home / 37,430.48-56,129.70-12,463.76

Finding the Fourth Proportional to 37,430.48, 56,129.70 and 12,463.76

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Solution

The fourth proportional to 37,430.48, 56,129.70 and 12,463.76 is: 18,690.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,430.48 : 56,129.70 = 12,463.76 : x
  2. Step 2: Convert to fraction form
    37,430.48/56,129.70 = 12,463.76/x
  3. Step 3: Cross multiply
    37,430.48x = 56,129.70 × 12,463.76
  4. Step 4: Simplify right side
    37,430.48x = 699,587,109.67
  5. Step 5: Solve for x
    x = 699,587,109.67/37,430.48
  6. Step 6: Final answer
    x = 18,690.31

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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.