Home / 36,070.65-49,777.75-20,155.77

Finding the Fourth Proportional to 36,070.65, 49,777.75 and 20,155.77

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Solution

The fourth proportional to 36,070.65, 49,777.75 and 20,155.77 is: 27,815.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,070.65 : 49,777.75 = 20,155.77 : x
  2. Step 2: Convert to fraction form
    36,070.65/49,777.75 = 20,155.77/x
  3. Step 3: Cross multiply
    36,070.65x = 49,777.75 × 20,155.77
  4. Step 4: Simplify right side
    36,070.65x = 1,003,308,779.34
  5. Step 5: Solve for x
    x = 1,003,308,779.34/36,070.65
  6. Step 6: Final answer
    x = 27,815.10

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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.