Home / 56,720.16-78,281.16-32,530.56

Finding the Fourth Proportional to 56,720.16, 78,281.16 and 32,530.56

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Solution

The fourth proportional to 56,720.16, 78,281.16 and 32,530.56 is: 44,896.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,720.16 : 78,281.16 = 32,530.56 : x
  2. Step 2: Convert to fraction form
    56,720.16/78,281.16 = 32,530.56/x
  3. Step 3: Cross multiply
    56,720.16x = 78,281.16 × 32,530.56
  4. Step 4: Simplify right side
    56,720.16x = 2,546,529,972.25
  5. Step 5: Solve for x
    x = 2,546,529,972.25/56,720.16
  6. Step 6: Final answer
    x = 44,896.38

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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.