Home / 72,038.10-108,065.77-22,111.65

Finding the Fourth Proportional to 72,038.10, 108,065.77 and 22,111.65

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Solution

The fourth proportional to 72,038.10, 108,065.77 and 22,111.65 is: 33,170.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,038.10 : 108,065.77 = 22,111.65 : x
  2. Step 2: Convert to fraction form
    72,038.10/108,065.77 = 22,111.65/x
  3. Step 3: Cross multiply
    72,038.10x = 108,065.77 × 22,111.65
  4. Step 4: Simplify right side
    72,038.10x = 2,389,512,483.22
  5. Step 5: Solve for x
    x = 2,389,512,483.22/72,038.10
  6. Step 6: Final answer
    x = 33,170.12

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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.