Home / 37,600.60-56,398.81-12,638.07

Finding the Fourth Proportional to 37,600.60, 56,398.81 and 12,638.07

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Solution

The fourth proportional to 37,600.60, 56,398.81 and 12,638.07 is: 18,956.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,600.60 : 56,398.81 = 12,638.07 : x
  2. Step 2: Convert to fraction form
    37,600.60/56,398.81 = 12,638.07/x
  3. Step 3: Cross multiply
    37,600.60x = 56,398.81 × 12,638.07
  4. Step 4: Simplify right side
    37,600.60x = 712,772,108.70
  5. Step 5: Solve for x
    x = 712,772,108.70/37,600.60
  6. Step 6: Final answer
    x = 18,956.40

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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.