Home / 31,637.64-47,456.40-12,926.46

Finding the Fourth Proportional to 31,637.64, 47,456.40 and 12,926.46

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Solution

The fourth proportional to 31,637.64, 47,456.40 and 12,926.46 is: 19,389.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,637.64 : 47,456.40 = 12,926.46 : x
  2. Step 2: Convert to fraction form
    31,637.64/47,456.40 = 12,926.46/x
  3. Step 3: Cross multiply
    31,637.64x = 47,456.40 × 12,926.46
  4. Step 4: Simplify right side
    31,637.64x = 613,443,256.34
  5. Step 5: Solve for x
    x = 613,443,256.34/31,637.64
  6. Step 6: Final answer
    x = 19,389.67

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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.