Home / 56,459.21-77,907.35-34,939.13

Finding the Fourth Proportional to 56,459.21, 77,907.35 and 34,939.13

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Solution

The fourth proportional to 56,459.21, 77,907.35 and 34,939.13 is: 48,212.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,459.21 : 77,907.35 = 34,939.13 : x
  2. Step 2: Convert to fraction form
    56,459.21/77,907.35 = 34,939.13/x
  3. Step 3: Cross multiply
    56,459.21x = 77,907.35 × 34,939.13
  4. Step 4: Simplify right side
    56,459.21x = 2,722,014,727.42
  5. Step 5: Solve for x
    x = 2,722,014,727.42/56,459.21
  6. Step 6: Final answer
    x = 48,212.06

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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.