Home / 52,416.40-78,538.20-43,603.60

Finding the Fourth Proportional to 52,416.40, 78,538.20 and 43,603.60

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Solution

The fourth proportional to 52,416.40, 78,538.20 and 43,603.60 is: 65,333.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,416.40 : 78,538.20 = 43,603.60 : x
  2. Step 2: Convert to fraction form
    52,416.40/78,538.20 = 43,603.60/x
  3. Step 3: Cross multiply
    52,416.40x = 78,538.20 × 43,603.60
  4. Step 4: Simplify right side
    52,416.40x = 3,424,548,257.52
  5. Step 5: Solve for x
    x = 3,424,548,257.52/52,416.40
  6. Step 6: Final answer
    x = 65,333.53

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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.