Home / 55,437.89-76,492.96-31,558.28

Finding the Fourth Proportional to 55,437.89, 76,492.96 and 31,558.28

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Solution

The fourth proportional to 55,437.89, 76,492.96 and 31,558.28 is: 43,543.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,437.89 : 76,492.96 = 31,558.28 : x
  2. Step 2: Convert to fraction form
    55,437.89/76,492.96 = 31,558.28/x
  3. Step 3: Cross multiply
    55,437.89x = 76,492.96 × 31,558.28
  4. Step 4: Simplify right side
    55,437.89x = 2,413,985,788.35
  5. Step 5: Solve for x
    x = 2,413,985,788.35/55,437.89
  6. Step 6: Final answer
    x = 43,543.97

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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.