Home / 37,657.35-56,473.65-12,690.68

Finding the Fourth Proportional to 37,657.35, 56,473.65 and 12,690.68

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Solution

The fourth proportional to 37,657.35, 56,473.65 and 12,690.68 is: 19,031.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,657.35 : 56,473.65 = 12,690.68 : x
  2. Step 2: Convert to fraction form
    37,657.35/56,473.65 = 12,690.68/x
  3. Step 3: Cross multiply
    37,657.35x = 56,473.65 × 12,690.68
  4. Step 4: Simplify right side
    37,657.35x = 716,688,738.21
  5. Step 5: Solve for x
    x = 716,688,738.21/37,657.35
  6. Step 6: Final answer
    x = 19,031.84

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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.