Home / 31,510.02-47,271.52-21,653.94

Finding the Fourth Proportional to 31,510.02, 47,271.52 and 21,653.94

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Solution

The fourth proportional to 31,510.02, 47,271.52 and 21,653.94 is: 32,485.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,510.02 : 47,271.52 = 21,653.94 : x
  2. Step 2: Convert to fraction form
    31,510.02/47,271.52 = 21,653.94/x
  3. Step 3: Cross multiply
    31,510.02x = 47,271.52 × 21,653.94
  4. Step 4: Simplify right side
    31,510.02x = 1,023,614,657.79
  5. Step 5: Solve for x
    x = 1,023,614,657.79/31,510.02
  6. Step 6: Final answer
    x = 32,485.37

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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.