Home / 31,490.04-47,237.22-11,768.16

Finding the Fourth Proportional to 31,490.04, 47,237.22 and 11,768.16

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Solution

The fourth proportional to 31,490.04, 47,237.22 and 11,768.16 is: 17,653.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,490.04 : 47,237.22 = 11,768.16 : x
  2. Step 2: Convert to fraction form
    31,490.04/47,237.22 = 11,768.16/x
  3. Step 3: Cross multiply
    31,490.04x = 47,237.22 × 11,768.16
  4. Step 4: Simplify right side
    31,490.04x = 555,895,162.92
  5. Step 5: Solve for x
    x = 555,895,162.92/31,490.04
  6. Step 6: Final answer
    x = 17,653.05

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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.