Home / 55,085.61-76,011.96-31,207.17

Finding the Fourth Proportional to 55,085.61, 76,011.96 and 31,207.17

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Solution

The fourth proportional to 55,085.61, 76,011.96 and 31,207.17 is: 43,062.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,085.61 : 76,011.96 = 31,207.17 : x
  2. Step 2: Convert to fraction form
    55,085.61/76,011.96 = 31,207.17/x
  3. Step 3: Cross multiply
    55,085.61x = 76,011.96 × 31,207.17
  4. Step 4: Simplify right side
    55,085.61x = 2,372,118,157.75
  5. Step 5: Solve for x
    x = 2,372,118,157.75/55,085.61
  6. Step 6: Final answer
    x = 43,062.39

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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.