Home / 34,071.08-47,005.06-21,319.04

Finding the Fourth Proportional to 34,071.08, 47,005.06 and 21,319.04

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Solution

The fourth proportional to 34,071.08, 47,005.06 and 21,319.04 is: 29,412.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,071.08 : 47,005.06 = 21,319.04 : x
  2. Step 2: Convert to fraction form
    34,071.08/47,005.06 = 21,319.04/x
  3. Step 3: Cross multiply
    34,071.08x = 47,005.06 × 21,319.04
  4. Step 4: Simplify right side
    34,071.08x = 1,002,102,754.34
  5. Step 5: Solve for x
    x = 1,002,102,754.34/34,071.08
  6. Step 6: Final answer
    x = 29,412.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.