Home / 32,649.89-45,056.25-21,297.87

Finding the Fourth Proportional to 32,649.89, 45,056.25 and 21,297.87

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Solution

The fourth proportional to 32,649.89, 45,056.25 and 21,297.87 is: 29,390.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,649.89 : 45,056.25 = 21,297.87 : x
  2. Step 2: Convert to fraction form
    32,649.89/45,056.25 = 21,297.87/x
  3. Step 3: Cross multiply
    32,649.89x = 45,056.25 × 21,297.87
  4. Step 4: Simplify right side
    32,649.89x = 959,602,155.19
  5. Step 5: Solve for x
    x = 959,602,155.19/32,649.89
  6. Step 6: Final answer
    x = 29,390.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.