Home / 57,059.52-78,740.58-31,565.18

Finding the Fourth Proportional to 57,059.52, 78,740.58 and 31,565.18

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Solution

The fourth proportional to 57,059.52, 78,740.58 and 31,565.18 is: 43,559.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,059.52 : 78,740.58 = 31,565.18 : x
  2. Step 2: Convert to fraction form
    57,059.52/78,740.58 = 31,565.18/x
  3. Step 3: Cross multiply
    57,059.52x = 78,740.58 × 31,565.18
  4. Step 4: Simplify right side
    57,059.52x = 2,485,460,187.30
  5. Step 5: Solve for x
    x = 2,485,460,187.30/57,059.52
  6. Step 6: Final answer
    x = 43,559.08

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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.