Home / 31,566.28-47,316.60-12,838.26

Finding the Fourth Proportional to 31,566.28, 47,316.60 and 12,838.26

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Solution

The fourth proportional to 31,566.28, 47,316.60 and 12,838.26 is: 19,244.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,566.28 : 47,316.60 = 12,838.26 : x
  2. Step 2: Convert to fraction form
    31,566.28/47,316.60 = 12,838.26/x
  3. Step 3: Cross multiply
    31,566.28x = 47,316.60 × 12,838.26
  4. Step 4: Simplify right side
    31,566.28x = 607,462,813.12
  5. Step 5: Solve for x
    x = 607,462,813.12/31,566.28
  6. Step 6: Final answer
    x = 19,244.04

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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.