Home / 58,776.77-81,154.20-36,146.18

Finding the Fourth Proportional to 58,776.77, 81,154.20 and 36,146.18

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Solution

The fourth proportional to 58,776.77, 81,154.20 and 36,146.18 is: 49,907.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,776.77 : 81,154.20 = 36,146.18 : x
  2. Step 2: Convert to fraction form
    58,776.77/81,154.20 = 36,146.18/x
  3. Step 3: Cross multiply
    58,776.77x = 81,154.20 × 36,146.18
  4. Step 4: Simplify right side
    58,776.77x = 2,933,414,320.96
  5. Step 5: Solve for x
    x = 2,933,414,320.96/58,776.77
  6. Step 6: Final answer
    x = 49,907.72

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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.