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Finding the Fourth Proportional to 36,457.50, 54,695.97 and 17,989.50

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Solution

The fourth proportional to 36,457.50, 54,695.97 and 17,989.50 is: 26,989.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,457.50 : 54,695.97 = 17,989.50 : x
  2. Step 2: Convert to fraction form
    36,457.50/54,695.97 = 17,989.50/x
  3. Step 3: Cross multiply
    36,457.50x = 54,695.97 × 17,989.50
  4. Step 4: Simplify right side
    36,457.50x = 983,953,152.32
  5. Step 5: Solve for x
    x = 983,953,152.32/36,457.50
  6. Step 6: Final answer
    x = 26,989.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.