Home / 55,961.16-77,227.47-30,810.66

Finding the Fourth Proportional to 55,961.16, 77,227.47 and 30,810.66

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Solution

The fourth proportional to 55,961.16, 77,227.47 and 30,810.66 is: 42,519.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,961.16 : 77,227.47 = 30,810.66 : x
  2. Step 2: Convert to fraction form
    55,961.16/77,227.47 = 30,810.66/x
  3. Step 3: Cross multiply
    55,961.16x = 77,227.47 × 30,810.66
  4. Step 4: Simplify right side
    55,961.16x = 2,379,429,320.83
  5. Step 5: Solve for x
    x = 2,379,429,320.83/55,961.16
  6. Step 6: Final answer
    x = 42,519.30

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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.