Home / 53,070.95-79,475.12-30,816.86

Finding the Fourth Proportional to 53,070.95, 79,475.12 and 30,816.86

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Solution

The fourth proportional to 53,070.95, 79,475.12 and 30,816.86 is: 46,149.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,070.95 : 79,475.12 = 30,816.86 : x
  2. Step 2: Convert to fraction form
    53,070.95/79,475.12 = 30,816.86/x
  3. Step 3: Cross multiply
    53,070.95x = 79,475.12 × 30,816.86
  4. Step 4: Simplify right side
    53,070.95x = 2,449,173,383.97
  5. Step 5: Solve for x
    x = 2,449,173,383.97/53,070.95
  6. Step 6: Final answer
    x = 46,149.04

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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.