Home / 31,778.04-47,638.73-12,070.44

Finding the Fourth Proportional to 31,778.04, 47,638.73 and 12,070.44

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Solution

The fourth proportional to 31,778.04, 47,638.73 and 12,070.44 is: 18,094.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,778.04 : 47,638.73 = 12,070.44 : x
  2. Step 2: Convert to fraction form
    31,778.04/47,638.73 = 12,070.44/x
  3. Step 3: Cross multiply
    31,778.04x = 47,638.73 × 12,070.44
  4. Step 4: Simplify right side
    31,778.04x = 575,020,462.32
  5. Step 5: Solve for x
    x = 575,020,462.32/31,778.04
  6. Step 6: Final answer
    x = 18,094.90

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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.