Home / 56,127.54-77,455.98-30,977.04

Finding the Fourth Proportional to 56,127.54, 77,455.98 and 30,977.04

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Solution

The fourth proportional to 56,127.54, 77,455.98 and 30,977.04 is: 42,748.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,127.54 : 77,455.98 = 30,977.04 : x
  2. Step 2: Convert to fraction form
    56,127.54/77,455.98 = 30,977.04/x
  3. Step 3: Cross multiply
    56,127.54x = 77,455.98 × 30,977.04
  4. Step 4: Simplify right side
    56,127.54x = 2,399,356,990.70
  5. Step 5: Solve for x
    x = 2,399,356,990.70/56,127.54
  6. Step 6: Final answer
    x = 42,748.30

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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.