Home / 52,453.78-78,589.54-47,314.33

Finding the Fourth Proportional to 52,453.78, 78,589.54 and 47,314.33

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Solution

The fourth proportional to 52,453.78, 78,589.54 and 47,314.33 is: 70,889.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,453.78 : 78,589.54 = 47,314.33 : x
  2. Step 2: Convert to fraction form
    52,453.78/78,589.54 = 47,314.33/x
  3. Step 3: Cross multiply
    52,453.78x = 78,589.54 × 47,314.33
  4. Step 4: Simplify right side
    52,453.78x = 3,718,411,430.11
  5. Step 5: Solve for x
    x = 3,718,411,430.11/52,453.78
  6. Step 6: Final answer
    x = 70,889.29

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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.