Home / 39,485.64-59,252.64-20,779.08

Finding the Fourth Proportional to 39,485.64, 59,252.64 and 20,779.08

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Solution

The fourth proportional to 39,485.64, 59,252.64 and 20,779.08 is: 31,181.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,485.64 : 59,252.64 = 20,779.08 : x
  2. Step 2: Convert to fraction form
    39,485.64/59,252.64 = 20,779.08/x
  3. Step 3: Cross multiply
    39,485.64x = 59,252.64 × 20,779.08
  4. Step 4: Simplify right side
    39,485.64x = 1,231,215,346.77
  5. Step 5: Solve for x
    x = 1,231,215,346.77/39,485.64
  6. Step 6: Final answer
    x = 31,181.34

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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.