Home / 31,736.68-47,572.02-10,661.08

Finding the Fourth Proportional to 31,736.68, 47,572.02 and 10,661.08

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Solution

The fourth proportional to 31,736.68, 47,572.02 and 10,661.08 is: 15,980.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,736.68 : 47,572.02 = 10,661.08 : x
  2. Step 2: Convert to fraction form
    31,736.68/47,572.02 = 10,661.08/x
  3. Step 3: Cross multiply
    31,736.68x = 47,572.02 × 10,661.08
  4. Step 4: Simplify right side
    31,736.68x = 507,169,110.98
  5. Step 5: Solve for x
    x = 507,169,110.98/31,736.68
  6. Step 6: Final answer
    x = 15,980.53

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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.