Home / 56,977.32-78,621.93-34,315.95

Finding the Fourth Proportional to 56,977.32, 78,621.93 and 34,315.95

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Solution

The fourth proportional to 56,977.32, 78,621.93 and 34,315.95 is: 47,351.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,977.32 : 78,621.93 = 34,315.95 : x
  2. Step 2: Convert to fraction form
    56,977.32/78,621.93 = 34,315.95/x
  3. Step 3: Cross multiply
    56,977.32x = 78,621.93 × 34,315.95
  4. Step 4: Simplify right side
    56,977.32x = 2,697,986,218.78
  5. Step 5: Solve for x
    x = 2,697,986,218.78/56,977.32
  6. Step 6: Final answer
    x = 47,351.93

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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.