Home / 36,071.06-49,779.16-20,156.18

Finding the Fourth Proportional to 36,071.06, 49,779.16 and 20,156.18

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Solution

The fourth proportional to 36,071.06, 49,779.16 and 20,156.18 is: 27,816.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,071.06 : 49,779.16 = 20,156.18 : x
  2. Step 2: Convert to fraction form
    36,071.06/49,779.16 = 20,156.18/x
  3. Step 3: Cross multiply
    36,071.06x = 49,779.16 × 20,156.18
  4. Step 4: Simplify right side
    36,071.06x = 1,003,357,409.92
  5. Step 5: Solve for x
    x = 1,003,357,409.92/36,071.06
  6. Step 6: Final answer
    x = 27,816.14

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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.