Home / 32,887.87-45,385.76-18,740.41

Finding the Fourth Proportional to 32,887.87, 45,385.76 and 18,740.41

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Solution

The fourth proportional to 32,887.87, 45,385.76 and 18,740.41 is: 25,862.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,887.87 : 45,385.76 = 18,740.41 : x
  2. Step 2: Convert to fraction form
    32,887.87/45,385.76 = 18,740.41/x
  3. Step 3: Cross multiply
    32,887.87x = 45,385.76 × 18,740.41
  4. Step 4: Simplify right side
    32,887.87x = 850,547,656.86
  5. Step 5: Solve for x
    x = 850,547,656.86/32,887.87
  6. Step 6: Final answer
    x = 25,862.05

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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.