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Finding the Fourth Proportional to 56,503.99, 77,986.26 and 37,384.14

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Solution

The fourth proportional to 56,503.99, 77,986.26 and 37,384.14 is: 51,597.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,503.99 : 77,986.26 = 37,384.14 : x
  2. Step 2: Convert to fraction form
    56,503.99/77,986.26 = 37,384.14/x
  3. Step 3: Cross multiply
    56,503.99x = 77,986.26 × 37,384.14
  4. Step 4: Simplify right side
    56,503.99x = 2,915,449,261.92
  5. Step 5: Solve for x
    x = 2,915,449,261.92/56,503.99
  6. Step 6: Final answer
    x = 51,597.23

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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.