Home / 31,716.48-47,577.28-10,655.68

Finding the Fourth Proportional to 31,716.48, 47,577.28 and 10,655.68

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Solution

The fourth proportional to 31,716.48, 47,577.28 and 10,655.68 is: 15,984.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,716.48 : 47,577.28 = 10,655.68 : x
  2. Step 2: Convert to fraction form
    31,716.48/47,577.28 = 10,655.68/x
  3. Step 3: Cross multiply
    31,716.48x = 47,577.28 × 10,655.68
  4. Step 4: Simplify right side
    31,716.48x = 506,968,270.95
  5. Step 5: Solve for x
    x = 506,968,270.95/31,716.48
  6. Step 6: Final answer
    x = 15,984.38

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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.