Home / 42,021.64-63,027.58-10,854.44

Finding the Fourth Proportional to 42,021.64, 63,027.58 and 10,854.44

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Solution

The fourth proportional to 42,021.64, 63,027.58 and 10,854.44 is: 16,280.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,021.64 : 63,027.58 = 10,854.44 : x
  2. Step 2: Convert to fraction form
    42,021.64/63,027.58 = 10,854.44/x
  3. Step 3: Cross multiply
    42,021.64x = 63,027.58 × 10,854.44
  4. Step 4: Simplify right side
    42,021.64x = 684,129,085.46
  5. Step 5: Solve for x
    x = 684,129,085.46/42,021.64
  6. Step 6: Final answer
    x = 16,280.40

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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.