Home / 37,600.68-56,398.95-12,638.15

Finding the Fourth Proportional to 37,600.68, 56,398.95 and 12,638.15

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Solution

The fourth proportional to 37,600.68, 56,398.95 and 12,638.15 is: 18,956.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,600.68 : 56,398.95 = 12,638.15 : x
  2. Step 2: Convert to fraction form
    37,600.68/56,398.95 = 12,638.15/x
  3. Step 3: Cross multiply
    37,600.68x = 56,398.95 × 12,638.15
  4. Step 4: Simplify right side
    37,600.68x = 712,778,389.94
  5. Step 5: Solve for x
    x = 712,778,389.94/37,600.68
  6. Step 6: Final answer
    x = 18,956.53

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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.