Home / 56,856.88-78,462.57-31,362.67

Finding the Fourth Proportional to 56,856.88, 78,462.57 and 31,362.67

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Solution

The fourth proportional to 56,856.88, 78,462.57 and 31,362.67 is: 43,280.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,856.88 : 78,462.57 = 31,362.67 : x
  2. Step 2: Convert to fraction form
    56,856.88/78,462.57 = 31,362.67/x
  3. Step 3: Cross multiply
    56,856.88x = 78,462.57 × 31,362.67
  4. Step 4: Simplify right side
    56,856.88x = 2,460,795,690.26
  5. Step 5: Solve for x
    x = 2,460,795,690.26/56,856.88
  6. Step 6: Final answer
    x = 43,280.53

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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.