Home / 31,663.17-47,477.20-12,956.33

Finding the Fourth Proportional to 31,663.17, 47,477.20 and 12,956.33

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Solution

The fourth proportional to 31,663.17, 47,477.20 and 12,956.33 is: 19,427.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,663.17 : 47,477.20 = 12,956.33 : x
  2. Step 2: Convert to fraction form
    31,663.17/47,477.20 = 12,956.33/x
  3. Step 3: Cross multiply
    31,663.17x = 47,477.20 × 12,956.33
  4. Step 4: Simplify right side
    31,663.17x = 615,130,270.68
  5. Step 5: Solve for x
    x = 615,130,270.68/31,663.17
  6. Step 6: Final answer
    x = 19,427.31

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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.