Home / 30,567.53-45,851.46-13,915.91

Finding the Fourth Proportional to 30,567.53, 45,851.46 and 13,915.91

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Solution

The fourth proportional to 30,567.53, 45,851.46 and 13,915.91 is: 20,873.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,567.53 : 45,851.46 = 13,915.91 : x
  2. Step 2: Convert to fraction form
    30,567.53/45,851.46 = 13,915.91/x
  3. Step 3: Cross multiply
    30,567.53x = 45,851.46 × 13,915.91
  4. Step 4: Simplify right side
    30,567.53x = 638,064,790.73
  5. Step 5: Solve for x
    x = 638,064,790.73/30,567.53
  6. Step 6: Final answer
    x = 20,873.94

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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.