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Finding the Fourth Proportional to 56,424.78, 77,871.06 and 32,559.33

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Solution

The fourth proportional to 56,424.78, 77,871.06 and 32,559.33 is: 44,934.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,424.78 : 77,871.06 = 32,559.33 : x
  2. Step 2: Convert to fraction form
    56,424.78/77,871.06 = 32,559.33/x
  3. Step 3: Cross multiply
    56,424.78x = 77,871.06 × 32,559.33
  4. Step 4: Simplify right side
    56,424.78x = 2,535,429,539.99
  5. Step 5: Solve for x
    x = 2,535,429,539.99/56,424.78
  6. Step 6: Final answer
    x = 44,934.68

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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.