Home / 37,649.35-56,470.96-12,688.86

Finding the Fourth Proportional to 37,649.35, 56,470.96 and 12,688.86

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Solution

The fourth proportional to 37,649.35, 56,470.96 and 12,688.86 is: 19,032.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,649.35 : 56,470.96 = 12,688.86 : x
  2. Step 2: Convert to fraction form
    37,649.35/56,470.96 = 12,688.86/x
  3. Step 3: Cross multiply
    37,649.35x = 56,470.96 × 12,688.86
  4. Step 4: Simplify right side
    37,649.35x = 716,552,105.51
  5. Step 5: Solve for x
    x = 716,552,105.51/37,649.35
  6. Step 6: Final answer
    x = 19,032.26

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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.