Home / 45,032.10-67,511.69-18,756.51

Finding the Fourth Proportional to 45,032.10, 67,511.69 and 18,756.51

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Solution

The fourth proportional to 45,032.10, 67,511.69 and 18,756.51 is: 28,119.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,032.10 : 67,511.69 = 18,756.51 : x
  2. Step 2: Convert to fraction form
    45,032.10/67,511.69 = 18,756.51/x
  3. Step 3: Cross multiply
    45,032.10x = 67,511.69 × 18,756.51
  4. Step 4: Simplify right side
    45,032.10x = 1,266,283,411.99
  5. Step 5: Solve for x
    x = 1,266,283,411.99/45,032.10
  6. Step 6: Final answer
    x = 28,119.58

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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.