Home / 56,305.04-77,700.95-30,811.41

Finding the Fourth Proportional to 56,305.04, 77,700.95 and 30,811.41

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Solution

The fourth proportional to 56,305.04, 77,700.95 and 30,811.41 is: 42,519.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,305.04 : 77,700.95 = 30,811.41 : x
  2. Step 2: Convert to fraction form
    56,305.04/77,700.95 = 30,811.41/x
  3. Step 3: Cross multiply
    56,305.04x = 77,700.95 × 30,811.41
  4. Step 4: Simplify right side
    56,305.04x = 2,394,075,904.87
  5. Step 5: Solve for x
    x = 2,394,075,904.87/56,305.04
  6. Step 6: Final answer
    x = 42,519.74

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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.