Home / 52,014.16-77,985.88-20,404.40

Finding the Fourth Proportional to 52,014.16, 77,985.88 and 20,404.40

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Solution

The fourth proportional to 52,014.16, 77,985.88 and 20,404.40 is: 30,592.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,014.16 : 77,985.88 = 20,404.40 : x
  2. Step 2: Convert to fraction form
    52,014.16/77,985.88 = 20,404.40/x
  3. Step 3: Cross multiply
    52,014.16x = 77,985.88 × 20,404.40
  4. Step 4: Simplify right side
    52,014.16x = 1,591,255,089.87
  5. Step 5: Solve for x
    x = 1,591,255,089.87/52,014.16
  6. Step 6: Final answer
    x = 30,592.73

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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.