Home / 56,749.03-78,312.90-31,598.53

Finding the Fourth Proportional to 56,749.03, 78,312.90 and 31,598.53

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Solution

The fourth proportional to 56,749.03, 78,312.90 and 31,598.53 is: 43,605.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,749.03 : 78,312.90 = 31,598.53 : x
  2. Step 2: Convert to fraction form
    56,749.03/78,312.90 = 31,598.53/x
  3. Step 3: Cross multiply
    56,749.03x = 78,312.90 × 31,598.53
  4. Step 4: Simplify right side
    56,749.03x = 2,474,572,520.04
  5. Step 5: Solve for x
    x = 2,474,572,520.04/56,749.03
  6. Step 6: Final answer
    x = 43,605.55

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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.