Home / 31,707.76-47,564.28-10,646.80

Finding the Fourth Proportional to 31,707.76, 47,564.28 and 10,646.80

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Solution

The fourth proportional to 31,707.76, 47,564.28 and 10,646.80 is: 15,971.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,707.76 : 47,564.28 = 10,646.80 : x
  2. Step 2: Convert to fraction form
    31,707.76/47,564.28 = 10,646.80/x
  3. Step 3: Cross multiply
    31,707.76x = 47,564.28 × 10,646.80
  4. Step 4: Simplify right side
    31,707.76x = 506,407,376.30
  5. Step 5: Solve for x
    x = 506,407,376.30/31,707.76
  6. Step 6: Final answer
    x = 15,971.09

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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.