Home / 56,646.62-78,173.24-31,154.10

Finding the Fourth Proportional to 56,646.62, 78,173.24 and 31,154.10

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Solution

The fourth proportional to 56,646.62, 78,173.24 and 31,154.10 is: 42,993.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,646.62 : 78,173.24 = 31,154.10 : x
  2. Step 2: Convert to fraction form
    56,646.62/78,173.24 = 31,154.10/x
  3. Step 3: Cross multiply
    56,646.62x = 78,173.24 × 31,154.10
  4. Step 4: Simplify right side
    56,646.62x = 2,435,416,936.28
  5. Step 5: Solve for x
    x = 2,435,416,936.28/56,646.62
  6. Step 6: Final answer
    x = 42,993.16

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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.