Home / 32,649.86-45,043.85-21,315.74

Finding the Fourth Proportional to 32,649.86, 45,043.85 and 21,315.74

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Solution

The fourth proportional to 32,649.86, 45,043.85 and 21,315.74 is: 29,407.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,649.86 : 45,043.85 = 21,315.74 : x
  2. Step 2: Convert to fraction form
    32,649.86/45,043.85 = 21,315.74/x
  3. Step 3: Cross multiply
    32,649.86x = 45,043.85 × 21,315.74
  4. Step 4: Simplify right side
    32,649.86x = 960,142,823.27
  5. Step 5: Solve for x
    x = 960,142,823.27/32,649.86
  6. Step 6: Final answer
    x = 29,407.25

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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.