Home / 56,455.45-77,907.35-34,939.47

Finding the Fourth Proportional to 56,455.45, 77,907.35 and 34,939.47

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Solution

The fourth proportional to 56,455.45, 77,907.35 and 34,939.47 is: 48,215.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,455.45 : 77,907.35 = 34,939.47 : x
  2. Step 2: Convert to fraction form
    56,455.45/77,907.35 = 34,939.47/x
  3. Step 3: Cross multiply
    56,455.45x = 77,907.35 × 34,939.47
  4. Step 4: Simplify right side
    56,455.45x = 2,722,041,459.38
  5. Step 5: Solve for x
    x = 2,722,041,459.38/56,455.45
  6. Step 6: Final answer
    x = 48,215.74

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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.