Home / 31,331.02-47,006.28-10,271.24

Finding the Fourth Proportional to 31,331.02, 47,006.28 and 10,271.24

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Solution

The fourth proportional to 31,331.02, 47,006.28 and 10,271.24 is: 15,410.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,331.02 : 47,006.28 = 10,271.24 : x
  2. Step 2: Convert to fraction form
    31,331.02/47,006.28 = 10,271.24/x
  3. Step 3: Cross multiply
    31,331.02x = 47,006.28 × 10,271.24
  4. Step 4: Simplify right side
    31,331.02x = 482,812,783.39
  5. Step 5: Solve for x
    x = 482,812,783.39/31,331.02
  6. Step 6: Final answer
    x = 15,410.06

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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.