Home / 38,493.10-57,739.65-21,904.30

Finding the Fourth Proportional to 38,493.10, 57,739.65 and 21,904.30

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Solution

The fourth proportional to 38,493.10, 57,739.65 and 21,904.30 is: 32,856.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,493.10 : 57,739.65 = 21,904.30 : x
  2. Step 2: Convert to fraction form
    38,493.10/57,739.65 = 21,904.30/x
  3. Step 3: Cross multiply
    38,493.10x = 57,739.65 × 21,904.30
  4. Step 4: Simplify right side
    38,493.10x = 1,264,746,615.50
  5. Step 5: Solve for x
    x = 1,264,746,615.50/38,493.10
  6. Step 6: Final answer
    x = 32,856.45

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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.