Home / 57,420.72-86,009.40-46,267.20

Finding the Fourth Proportional to 57,420.72, 86,009.40 and 46,267.20

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Solution

The fourth proportional to 57,420.72, 86,009.40 and 46,267.20 is: 69,302.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,420.72 : 86,009.40 = 46,267.20 : x
  2. Step 2: Convert to fraction form
    57,420.72/86,009.40 = 46,267.20/x
  3. Step 3: Cross multiply
    57,420.72x = 86,009.40 × 46,267.20
  4. Step 4: Simplify right side
    57,420.72x = 3,979,414,111.68
  5. Step 5: Solve for x
    x = 3,979,414,111.68/57,420.72
  6. Step 6: Final answer
    x = 69,302.76

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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.