Home / 52,225.41-78,338.01-18,945.39

Finding the Fourth Proportional to 52,225.41, 78,338.01 and 18,945.39

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Solution

The fourth proportional to 52,225.41, 78,338.01 and 18,945.39 is: 28,418.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,225.41 : 78,338.01 = 18,945.39 : x
  2. Step 2: Convert to fraction form
    52,225.41/78,338.01 = 18,945.39/x
  3. Step 3: Cross multiply
    52,225.41x = 78,338.01 × 18,945.39
  4. Step 4: Simplify right side
    52,225.41x = 1,484,144,151.27
  5. Step 5: Solve for x
    x = 1,484,144,151.27/52,225.41
  6. Step 6: Final answer
    x = 28,418.05

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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.