Home / 55,586.96-76,710-30,436.44

Finding the Fourth Proportional to 55,586.96, 76,710 and 30,436.44

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Solution

The fourth proportional to 55,586.96, 76,710 and 30,436.44 is: 42,002.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,586.96 : 76,710 = 30,436.44 : x
  2. Step 2: Convert to fraction form
    55,586.96/76,710 = 30,436.44/x
  3. Step 3: Cross multiply
    55,586.96x = 76,710 × 30,436.44
  4. Step 4: Simplify right side
    55,586.96x = 2,334,779,312.40
  5. Step 5: Solve for x
    x = 2,334,779,312.40/55,586.96
  6. Step 6: Final answer
    x = 42,002.28

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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.