Home / 53,686.04-74,086.31-29,812.79

Finding the Fourth Proportional to 53,686.04, 74,086.31 and 29,812.79

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Solution

The fourth proportional to 53,686.04, 74,086.31 and 29,812.79 is: 41,141.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,686.04 : 74,086.31 = 29,812.79 : x
  2. Step 2: Convert to fraction form
    53,686.04/74,086.31 = 29,812.79/x
  3. Step 3: Cross multiply
    53,686.04x = 74,086.31 × 29,812.79
  4. Step 4: Simplify right side
    53,686.04x = 2,208,719,082.41
  5. Step 5: Solve for x
    x = 2,208,719,082.41/53,686.04
  6. Step 6: Final answer
    x = 41,141.41

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1.5x scale

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.