Home / 55,354.22-76,341.36-36,471.50

Finding the Fourth Proportional to 55,354.22, 76,341.36 and 36,471.50

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Solution

The fourth proportional to 55,354.22, 76,341.36 and 36,471.50 is: 50,299.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,354.22 : 76,341.36 = 36,471.50 : x
  2. Step 2: Convert to fraction form
    55,354.22/76,341.36 = 36,471.50/x
  3. Step 3: Cross multiply
    55,354.22x = 76,341.36 × 36,471.50
  4. Step 4: Simplify right side
    55,354.22x = 2,784,283,911.24
  5. Step 5: Solve for x
    x = 2,784,283,911.24/55,354.22
  6. Step 6: Final answer
    x = 50,299.40

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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.