Home / 35,071.65-52,630.49-12,885.21

Finding the Fourth Proportional to 35,071.65, 52,630.49 and 12,885.21

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Solution

The fourth proportional to 35,071.65, 52,630.49 and 12,885.21 is: 19,336.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,071.65 : 52,630.49 = 12,885.21 : x
  2. Step 2: Convert to fraction form
    35,071.65/52,630.49 = 12,885.21/x
  3. Step 3: Cross multiply
    35,071.65x = 52,630.49 × 12,885.21
  4. Step 4: Simplify right side
    35,071.65x = 678,154,948.27
  5. Step 5: Solve for x
    x = 678,154,948.27/35,071.65
  6. Step 6: Final answer
    x = 19,336.27

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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.