Home / 31,897.04-47,841.84-8,525.30

Finding the Fourth Proportional to 31,897.04, 47,841.84 and 8,525.30

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Solution

The fourth proportional to 31,897.04, 47,841.84 and 8,525.30 is: 12,786.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,897.04 : 47,841.84 = 8,525.30 : x
  2. Step 2: Convert to fraction form
    31,897.04/47,841.84 = 8,525.30/x
  3. Step 3: Cross multiply
    31,897.04x = 47,841.84 × 8,525.30
  4. Step 4: Simplify right side
    31,897.04x = 407,866,038.55
  5. Step 5: Solve for x
    x = 407,866,038.55/31,897.04
  6. Step 6: Final answer
    x = 12,786.96

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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.