Home / 52,273.09-78,384.93-20,267.14

Finding the Fourth Proportional to 52,273.09, 78,384.93 and 20,267.14

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Solution

The fourth proportional to 52,273.09, 78,384.93 and 20,267.14 is: 30,391.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,273.09 : 78,384.93 = 20,267.14 : x
  2. Step 2: Convert to fraction form
    52,273.09/78,384.93 = 20,267.14/x
  3. Step 3: Cross multiply
    52,273.09x = 78,384.93 × 20,267.14
  4. Step 4: Simplify right side
    52,273.09x = 1,588,638,350.20
  5. Step 5: Solve for x
    x = 1,588,638,350.20/52,273.09
  6. Step 6: Final answer
    x = 30,391.13

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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.