Home / 52,085.49-78,122.04-13,614.45

Finding the Fourth Proportional to 52,085.49, 78,122.04 and 13,614.45

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Solution

The fourth proportional to 52,085.49, 78,122.04 and 13,614.45 is: 20,420.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,085.49 : 78,122.04 = 13,614.45 : x
  2. Step 2: Convert to fraction form
    52,085.49/78,122.04 = 13,614.45/x
  3. Step 3: Cross multiply
    52,085.49x = 78,122.04 × 13,614.45
  4. Step 4: Simplify right side
    52,085.49x = 1,063,588,607.48
  5. Step 5: Solve for x
    x = 1,063,588,607.48/52,085.49
  6. Step 6: Final answer
    x = 20,420.06

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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.