Home / 31,574.04-47,368.90-9,387.38

Finding the Fourth Proportional to 31,574.04, 47,368.90 and 9,387.38

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Solution

The fourth proportional to 31,574.04, 47,368.90 and 9,387.38 is: 14,083.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,574.04 : 47,368.90 = 9,387.38 : x
  2. Step 2: Convert to fraction form
    31,574.04/47,368.90 = 9,387.38/x
  3. Step 3: Cross multiply
    31,574.04x = 47,368.90 × 9,387.38
  4. Step 4: Simplify right side
    31,574.04x = 444,669,728.19
  5. Step 5: Solve for x
    x = 444,669,728.19/31,574.04
  6. Step 6: Final answer
    x = 14,083.40

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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.