Home / 31,547.72-47,319.96-9,361.28

Finding the Fourth Proportional to 31,547.72, 47,319.96 and 9,361.28

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Solution

The fourth proportional to 31,547.72, 47,319.96 and 9,361.28 is: 14,041.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,547.72 : 47,319.96 = 9,361.28 : x
  2. Step 2: Convert to fraction form
    31,547.72/47,319.96 = 9,361.28/x
  3. Step 3: Cross multiply
    31,547.72x = 47,319.96 × 9,361.28
  4. Step 4: Simplify right side
    31,547.72x = 442,975,395.15
  5. Step 5: Solve for x
    x = 442,975,395.15/31,547.72
  6. Step 6: Final answer
    x = 14,041.44

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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.