Home / 37,649.92-56,475.07-12,690.18

Finding the Fourth Proportional to 37,649.92, 56,475.07 and 12,690.18

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Solution

The fourth proportional to 37,649.92, 56,475.07 and 12,690.18 is: 19,035.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,649.92 : 56,475.07 = 12,690.18 : x
  2. Step 2: Convert to fraction form
    37,649.92/56,475.07 = 12,690.18/x
  3. Step 3: Cross multiply
    37,649.92x = 56,475.07 × 12,690.18
  4. Step 4: Simplify right side
    37,649.92x = 716,678,803.81
  5. Step 5: Solve for x
    x = 716,678,803.81/37,649.92
  6. Step 6: Final answer
    x = 19,035.34

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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.