Home / 55,957.40-77,219.33-30,463.29

Finding the Fourth Proportional to 55,957.40, 77,219.33 and 30,463.29

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Solution

The fourth proportional to 55,957.40, 77,219.33 and 30,463.29 is: 42,038.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,957.40 : 77,219.33 = 30,463.29 : x
  2. Step 2: Convert to fraction form
    55,957.40/77,219.33 = 30,463.29/x
  3. Step 3: Cross multiply
    55,957.40x = 77,219.33 × 30,463.29
  4. Step 4: Simplify right side
    55,957.40x = 2,352,354,457.30
  5. Step 5: Solve for x
    x = 2,352,354,457.30/55,957.40
  6. Step 6: Final answer
    x = 42,038.31

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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.