Home / 30,897.70-46,349.28-8,711.30

Finding the Fourth Proportional to 30,897.70, 46,349.28 and 8,711.30

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Solution

The fourth proportional to 30,897.70, 46,349.28 and 8,711.30 is: 13,067.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,897.70 : 46,349.28 = 8,711.30 : x
  2. Step 2: Convert to fraction form
    30,897.70/46,349.28 = 8,711.30/x
  3. Step 3: Cross multiply
    30,897.70x = 46,349.28 × 8,711.30
  4. Step 4: Simplify right side
    30,897.70x = 403,762,598.74
  5. Step 5: Solve for x
    x = 403,762,598.74/30,897.70
  6. Step 6: Final answer
    x = 13,067.72

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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.