Home / 57,454.12-79,347.12-51,192.40

Finding the Fourth Proportional to 57,454.12, 79,347.12 and 51,192.40

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Solution

The fourth proportional to 57,454.12, 79,347.12 and 51,192.40 is: 70,699.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,454.12 : 79,347.12 = 51,192.40 : x
  2. Step 2: Convert to fraction form
    57,454.12/79,347.12 = 51,192.40/x
  3. Step 3: Cross multiply
    57,454.12x = 79,347.12 × 51,192.40
  4. Step 4: Simplify right side
    57,454.12x = 4,061,969,505.89
  5. Step 5: Solve for x
    x = 4,061,969,505.89/57,454.12
  6. Step 6: Final answer
    x = 70,699.36

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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.