Home / 48,464.49-72,678.29-31,820.07

Finding the Fourth Proportional to 48,464.49, 72,678.29 and 31,820.07

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Solution

The fourth proportional to 48,464.49, 72,678.29 and 31,820.07 is: 47,717.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,464.49 : 72,678.29 = 31,820.07 : x
  2. Step 2: Convert to fraction form
    48,464.49/72,678.29 = 31,820.07/x
  3. Step 3: Cross multiply
    48,464.49x = 72,678.29 × 31,820.07
  4. Step 4: Simplify right side
    48,464.49x = 2,312,628,116.18
  5. Step 5: Solve for x
    x = 2,312,628,116.18/48,464.49
  6. Step 6: Final answer
    x = 47,717.99

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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.