Home / 58,458.12-80,672.80-31,601.16

Finding the Fourth Proportional to 58,458.12, 80,672.80 and 31,601.16

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Solution

The fourth proportional to 58,458.12, 80,672.80 and 31,601.16 is: 43,609.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,458.12 : 80,672.80 = 31,601.16 : x
  2. Step 2: Convert to fraction form
    58,458.12/80,672.80 = 31,601.16/x
  3. Step 3: Cross multiply
    58,458.12x = 80,672.80 × 31,601.16
  4. Step 4: Simplify right side
    58,458.12x = 2,549,354,060.45
  5. Step 5: Solve for x
    x = 2,549,354,060.45/58,458.12
  6. Step 6: Final answer
    x = 43,609.92

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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.