Home / 31,663.08-47,494.26-12,953.16

Finding the Fourth Proportional to 31,663.08, 47,494.26 and 12,953.16

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Solution

The fourth proportional to 31,663.08, 47,494.26 and 12,953.16 is: 19,429.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,663.08 : 47,494.26 = 12,953.16 : x
  2. Step 2: Convert to fraction form
    31,663.08/47,494.26 = 12,953.16/x
  3. Step 3: Cross multiply
    31,663.08x = 47,494.26 × 12,953.16
  4. Step 4: Simplify right side
    31,663.08x = 615,200,748.86
  5. Step 5: Solve for x
    x = 615,200,748.86/31,663.08
  6. Step 6: Final answer
    x = 19,429.59

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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.