Home / 37,749.90-56,627.40-12,781.43

Finding the Fourth Proportional to 37,749.90, 56,627.40 and 12,781.43

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Solution

The fourth proportional to 37,749.90, 56,627.40 and 12,781.43 is: 19,173.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,749.90 : 56,627.40 = 12,781.43 : x
  2. Step 2: Convert to fraction form
    37,749.90/56,627.40 = 12,781.43/x
  3. Step 3: Cross multiply
    37,749.90x = 56,627.40 × 12,781.43
  4. Step 4: Simplify right side
    37,749.90x = 723,779,149.18
  5. Step 5: Solve for x
    x = 723,779,149.18/37,749.90
  6. Step 6: Final answer
    x = 19,173.01

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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.