Home / 31,457.46-47,186.15-9,271.06

Finding the Fourth Proportional to 31,457.46, 47,186.15 and 9,271.06

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Solution

The fourth proportional to 31,457.46, 47,186.15 and 9,271.06 is: 13,906.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,457.46 : 47,186.15 = 9,271.06 : x
  2. Step 2: Convert to fraction form
    31,457.46/47,186.15 = 9,271.06/x
  3. Step 3: Cross multiply
    31,457.46x = 47,186.15 × 9,271.06
  4. Step 4: Simplify right side
    31,457.46x = 437,465,463.50
  5. Step 5: Solve for x
    x = 437,465,463.50/31,457.46
  6. Step 6: Final answer
    x = 13,906.57

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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.