Home / 61,289.46-91,931.69-16,915.07

Finding the Fourth Proportional to 61,289.46, 91,931.69 and 16,915.07

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Solution

The fourth proportional to 61,289.46, 91,931.69 and 16,915.07 is: 25,371.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,289.46 : 91,931.69 = 16,915.07 : x
  2. Step 2: Convert to fraction form
    61,289.46/91,931.69 = 16,915.07/x
  3. Step 3: Cross multiply
    61,289.46x = 91,931.69 × 16,915.07
  4. Step 4: Simplify right side
    61,289.46x = 1,555,031,243.69
  5. Step 5: Solve for x
    x = 1,555,031,243.69/61,289.46
  6. Step 6: Final answer
    x = 25,371.92

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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.