Home / 36,459.19-50,308.21-20,543.30

Finding the Fourth Proportional to 36,459.19, 50,308.21 and 20,543.30

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Solution

The fourth proportional to 36,459.19, 50,308.21 and 20,543.30 is: 28,346.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,459.19 : 50,308.21 = 20,543.30 : x
  2. Step 2: Convert to fraction form
    36,459.19/50,308.21 = 20,543.30/x
  3. Step 3: Cross multiply
    36,459.19x = 50,308.21 × 20,543.30
  4. Step 4: Simplify right side
    36,459.19x = 1,033,496,347.59
  5. Step 5: Solve for x
    x = 1,033,496,347.59/36,459.19
  6. Step 6: Final answer
    x = 28,346.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.