Home / 42,180.08-63,267.84-21,403.04

Finding the Fourth Proportional to 42,180.08, 63,267.84 and 21,403.04

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Solution

The fourth proportional to 42,180.08, 63,267.84 and 21,403.04 is: 32,103.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,180.08 : 63,267.84 = 21,403.04 : x
  2. Step 2: Convert to fraction form
    42,180.08/63,267.84 = 21,403.04/x
  3. Step 3: Cross multiply
    42,180.08x = 63,267.84 × 21,403.04
  4. Step 4: Simplify right side
    42,180.08x = 1,354,124,110.23
  5. Step 5: Solve for x
    x = 1,354,124,110.23/42,180.08
  6. Step 6: Final answer
    x = 32,103.40

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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.