Home / 56,330.76-77,731.20-33,665.28

Finding the Fourth Proportional to 56,330.76, 77,731.20 and 33,665.28

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Solution

The fourth proportional to 56,330.76, 77,731.20 and 33,665.28 is: 46,454.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,330.76 : 77,731.20 = 33,665.28 : x
  2. Step 2: Convert to fraction form
    56,330.76/77,731.20 = 33,665.28/x
  3. Step 3: Cross multiply
    56,330.76x = 77,731.20 × 33,665.28
  4. Step 4: Simplify right side
    56,330.76x = 2,616,842,612.74
  5. Step 5: Solve for x
    x = 2,616,842,612.74/56,330.76
  6. Step 6: Final answer
    x = 46,454.95

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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.