Home / 35,864.40-49,506.30-30,808.38

Finding the Fourth Proportional to 35,864.40, 49,506.30 and 30,808.38

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Solution

The fourth proportional to 35,864.40, 49,506.30 and 30,808.38 is: 42,527.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,864.40 : 49,506.30 = 30,808.38 : x
  2. Step 2: Convert to fraction form
    35,864.40/49,506.30 = 30,808.38/x
  3. Step 3: Cross multiply
    35,864.40x = 49,506.30 × 30,808.38
  4. Step 4: Simplify right side
    35,864.40x = 1,525,208,902.79
  5. Step 5: Solve for x
    x = 1,525,208,902.79/35,864.40
  6. Step 6: Final answer
    x = 42,527.10

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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.