Home / 57,071.20-78,594.96-41,130.40

Finding the Fourth Proportional to 57,071.20, 78,594.96 and 41,130.40

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Solution

The fourth proportional to 57,071.20, 78,594.96 and 41,130.40 is: 56,642.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,071.20 : 78,594.96 = 41,130.40 : x
  2. Step 2: Convert to fraction form
    57,071.20/78,594.96 = 41,130.40/x
  3. Step 3: Cross multiply
    57,071.20x = 78,594.96 × 41,130.40
  4. Step 4: Simplify right side
    57,071.20x = 3,232,642,142.78
  5. Step 5: Solve for x
    x = 3,232,642,142.78/57,071.20
  6. Step 6: Final answer
    x = 56,642.27

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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.