Home / 57,026.04-78,689.07-31,528.96

Finding the Fourth Proportional to 57,026.04, 78,689.07 and 31,528.96

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Solution

The fourth proportional to 57,026.04, 78,689.07 and 31,528.96 is: 43,506.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,026.04 : 78,689.07 = 31,528.96 : x
  2. Step 2: Convert to fraction form
    57,026.04/78,689.07 = 31,528.96/x
  3. Step 3: Cross multiply
    57,026.04x = 78,689.07 × 31,528.96
  4. Step 4: Simplify right side
    57,026.04x = 2,480,984,786.37
  5. Step 5: Solve for x
    x = 2,480,984,786.37/57,026.04
  6. Step 6: Final answer
    x = 43,506.17

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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.