Home / 40,271.84-60,381.06-19,215.12

Finding the Fourth Proportional to 40,271.84, 60,381.06 and 19,215.12

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Solution

The fourth proportional to 40,271.84, 60,381.06 and 19,215.12 is: 28,809.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,271.84 : 60,381.06 = 19,215.12 : x
  2. Step 2: Convert to fraction form
    40,271.84/60,381.06 = 19,215.12/x
  3. Step 3: Cross multiply
    40,271.84x = 60,381.06 × 19,215.12
  4. Step 4: Simplify right side
    40,271.84x = 1,160,229,313.63
  5. Step 5: Solve for x
    x = 1,160,229,313.63/40,271.84
  6. Step 6: Final answer
    x = 28,809.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.