Home / 64,457.28-88,950.96-36,165.60

Finding the Fourth Proportional to 64,457.28, 88,950.96 and 36,165.60

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Solution

The fourth proportional to 64,457.28, 88,950.96 and 36,165.60 is: 49,908.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,457.28 : 88,950.96 = 36,165.60 : x
  2. Step 2: Convert to fraction form
    64,457.28/88,950.96 = 36,165.60/x
  3. Step 3: Cross multiply
    64,457.28x = 88,950.96 × 36,165.60
  4. Step 4: Simplify right side
    64,457.28x = 3,216,964,838.98
  5. Step 5: Solve for x
    x = 3,216,964,838.98/64,457.28
  6. Step 6: Final answer
    x = 49,908.48

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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.