Home / 57,421.98-79,235.28-33,531.30

Finding the Fourth Proportional to 57,421.98, 79,235.28 and 33,531.30

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Solution

The fourth proportional to 57,421.98, 79,235.28 and 33,531.30 is: 46,269.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,421.98 : 79,235.28 = 33,531.30 : x
  2. Step 2: Convert to fraction form
    57,421.98/79,235.28 = 33,531.30/x
  3. Step 3: Cross multiply
    57,421.98x = 79,235.28 × 33,531.30
  4. Step 4: Simplify right side
    57,421.98x = 2,656,861,944.26
  5. Step 5: Solve for x
    x = 2,656,861,944.26/57,421.98
  6. Step 6: Final answer
    x = 46,269.08

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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.