Home / 52,299.66-78,443.25-18,998.48

Finding the Fourth Proportional to 52,299.66, 78,443.25 and 18,998.48

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Solution

The fourth proportional to 52,299.66, 78,443.25 and 18,998.48 is: 28,495.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,299.66 : 78,443.25 = 18,998.48 : x
  2. Step 2: Convert to fraction form
    52,299.66/78,443.25 = 18,998.48/x
  3. Step 3: Cross multiply
    52,299.66x = 78,443.25 × 18,998.48
  4. Step 4: Simplify right side
    52,299.66x = 1,490,302,124.04
  5. Step 5: Solve for x
    x = 1,490,302,124.04/52,299.66
  6. Step 6: Final answer
    x = 28,495.45

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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.