Home / 31,741.07-47,570.60-15,106.20

Finding the Fourth Proportional to 31,741.07, 47,570.60 and 15,106.20

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Solution

The fourth proportional to 31,741.07, 47,570.60 and 15,106.20 is: 22,639.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,741.07 : 47,570.60 = 15,106.20 : x
  2. Step 2: Convert to fraction form
    31,741.07/47,570.60 = 15,106.20/x
  3. Step 3: Cross multiply
    31,741.07x = 47,570.60 × 15,106.20
  4. Step 4: Simplify right side
    31,741.07x = 718,611,082.19
  5. Step 5: Solve for x
    x = 718,611,082.19/31,741.07
  6. Step 6: Final answer
    x = 22,639.79

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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.