Home / 31,458.48-47,216.88-15,887.04

Finding the Fourth Proportional to 31,458.48, 47,216.88 and 15,887.04

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Solution

The fourth proportional to 31,458.48, 47,216.88 and 15,887.04 is: 23,845.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,458.48 : 47,216.88 = 15,887.04 : x
  2. Step 2: Convert to fraction form
    31,458.48/47,216.88 = 15,887.04/x
  3. Step 3: Cross multiply
    31,458.48x = 47,216.88 × 15,887.04
  4. Step 4: Simplify right side
    31,458.48x = 750,136,461.24
  5. Step 5: Solve for x
    x = 750,136,461.24/31,458.48
  6. Step 6: Final answer
    x = 23,845.29

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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.