Home / 48,356.40-72,533.64-31,820.88

Finding the Fourth Proportional to 48,356.40, 72,533.64 and 31,820.88

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Solution

The fourth proportional to 48,356.40, 72,533.64 and 31,820.88 is: 47,730.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,356.40 : 72,533.64 = 31,820.88 : x
  2. Step 2: Convert to fraction form
    48,356.40/72,533.64 = 31,820.88/x
  3. Step 3: Cross multiply
    48,356.40x = 72,533.64 × 31,820.88
  4. Step 4: Simplify right side
    48,356.40x = 2,308,084,254.40
  5. Step 5: Solve for x
    x = 2,308,084,254.40/48,356.40
  6. Step 6: Final answer
    x = 47,730.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.