Home / 53,849.28-74,318.98-30,888.06

Finding the Fourth Proportional to 53,849.28, 74,318.98 and 30,888.06

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Solution

The fourth proportional to 53,849.28, 74,318.98 and 30,888.06 is: 42,629.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,849.28 : 74,318.98 = 30,888.06 : x
  2. Step 2: Convert to fraction form
    53,849.28/74,318.98 = 30,888.06/x
  3. Step 3: Cross multiply
    53,849.28x = 74,318.98 × 30,888.06
  4. Step 4: Simplify right side
    53,849.28x = 2,295,569,113.38
  5. Step 5: Solve for x
    x = 2,295,569,113.38/53,849.28
  6. Step 6: Final answer
    x = 42,629.52

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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.