Home / 31,510.55-47,270.52-11,521.06

Finding the Fourth Proportional to 31,510.55, 47,270.52 and 11,521.06

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Solution

The fourth proportional to 31,510.55, 47,270.52 and 11,521.06 is: 17,283.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,510.55 : 47,270.52 = 11,521.06 : x
  2. Step 2: Convert to fraction form
    31,510.55/47,270.52 = 11,521.06/x
  3. Step 3: Cross multiply
    31,510.55x = 47,270.52 × 11,521.06
  4. Step 4: Simplify right side
    31,510.55x = 544,606,378.97
  5. Step 5: Solve for x
    x = 544,606,378.97/31,510.55
  6. Step 6: Final answer
    x = 17,283.30

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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.