Home / 56,491.01-77,957.53-30,997.52

Finding the Fourth Proportional to 56,491.01, 77,957.53 and 30,997.52

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Solution

The fourth proportional to 56,491.01, 77,957.53 and 30,997.52 is: 42,776.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,491.01 : 77,957.53 = 30,997.52 : x
  2. Step 2: Convert to fraction form
    56,491.01/77,957.53 = 30,997.52/x
  3. Step 3: Cross multiply
    56,491.01x = 77,957.53 × 30,997.52
  4. Step 4: Simplify right side
    56,491.01x = 2,416,490,095.33
  5. Step 5: Solve for x
    x = 2,416,490,095.33/56,491.01
  6. Step 6: Final answer
    x = 42,776.54

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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.