Home / 56,749.30-78,276.54-35,491.66

Finding the Fourth Proportional to 56,749.30, 78,276.54 and 35,491.66

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Solution

The fourth proportional to 56,749.30, 78,276.54 and 35,491.66 is: 48,955.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,749.30 : 78,276.54 = 35,491.66 : x
  2. Step 2: Convert to fraction form
    56,749.30/78,276.54 = 35,491.66/x
  3. Step 3: Cross multiply
    56,749.30x = 78,276.54 × 35,491.66
  4. Step 4: Simplify right side
    56,749.30x = 2,778,164,421.90
  5. Step 5: Solve for x
    x = 2,778,164,421.90/56,749.30
  6. Step 6: Final answer
    x = 48,955.04

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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.