Home / 56,710.13-85,079.26-23,439.78

Finding the Fourth Proportional to 56,710.13, 85,079.26 and 23,439.78

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Solution

The fourth proportional to 56,710.13, 85,079.26 and 23,439.78 is: 35,165.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,710.13 : 85,079.26 = 23,439.78 : x
  2. Step 2: Convert to fraction form
    56,710.13/85,079.26 = 23,439.78/x
  3. Step 3: Cross multiply
    56,710.13x = 85,079.26 × 23,439.78
  4. Step 4: Simplify right side
    56,710.13x = 1,994,239,166.26
  5. Step 5: Solve for x
    x = 1,994,239,166.26/56,710.13
  6. Step 6: Final answer
    x = 35,165.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.