Home / 32,638.70-45,041.24-18,491.51

Finding the Fourth Proportional to 32,638.70, 45,041.24 and 18,491.51

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Solution

The fourth proportional to 32,638.70, 45,041.24 and 18,491.51 is: 25,518.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,638.70 : 45,041.24 = 18,491.51 : x
  2. Step 2: Convert to fraction form
    32,638.70/45,041.24 = 18,491.51/x
  3. Step 3: Cross multiply
    32,638.70x = 45,041.24 × 18,491.51
  4. Step 4: Simplify right side
    32,638.70x = 832,880,539.87
  5. Step 5: Solve for x
    x = 832,880,539.87/32,638.70
  6. Step 6: Final answer
    x = 25,518.19

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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.