Home / 31,574.81-47,325.31-17,528.12

Finding the Fourth Proportional to 31,574.81, 47,325.31 and 17,528.12

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Solution

The fourth proportional to 31,574.81, 47,325.31 and 17,528.12 is: 26,271.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,574.81 : 47,325.31 = 17,528.12 : x
  2. Step 2: Convert to fraction form
    31,574.81/47,325.31 = 17,528.12/x
  3. Step 3: Cross multiply
    31,574.81x = 47,325.31 × 17,528.12
  4. Step 4: Simplify right side
    31,574.81x = 829,523,841.44
  5. Step 5: Solve for x
    x = 829,523,841.44/31,574.81
  6. Step 6: Final answer
    x = 26,271.69

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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.