Home / 35,728.76-49,304.08-20,624.11

Finding the Fourth Proportional to 35,728.76, 49,304.08 and 20,624.11

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Solution

The fourth proportional to 35,728.76, 49,304.08 and 20,624.11 is: 28,460.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,728.76 : 49,304.08 = 20,624.11 : x
  2. Step 2: Convert to fraction form
    35,728.76/49,304.08 = 20,624.11/x
  3. Step 3: Cross multiply
    35,728.76x = 49,304.08 × 20,624.11
  4. Step 4: Simplify right side
    35,728.76x = 1,016,852,769.37
  5. Step 5: Solve for x
    x = 1,016,852,769.37/35,728.76
  6. Step 6: Final answer
    x = 28,460.34

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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.