Home / 53,141.28-73,338.29-29,267.95

Finding the Fourth Proportional to 53,141.28, 73,338.29 and 29,267.95

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Solution

The fourth proportional to 53,141.28, 73,338.29 and 29,267.95 is: 40,391.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,141.28 : 73,338.29 = 29,267.95 : x
  2. Step 2: Convert to fraction form
    53,141.28/73,338.29 = 29,267.95/x
  3. Step 3: Cross multiply
    53,141.28x = 73,338.29 × 29,267.95
  4. Step 4: Simplify right side
    53,141.28x = 2,146,461,075.12
  5. Step 5: Solve for x
    x = 2,146,461,075.12/53,141.28
  6. Step 6: Final answer
    x = 40,391.60

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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.