Home / 42,417.08-63,528.70-20,246.04

Finding the Fourth Proportional to 42,417.08, 63,528.70 and 20,246.04

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Solution

The fourth proportional to 42,417.08, 63,528.70 and 20,246.04 is: 30,322.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,417.08 : 63,528.70 = 20,246.04 : x
  2. Step 2: Convert to fraction form
    42,417.08/63,528.70 = 20,246.04/x
  3. Step 3: Cross multiply
    42,417.08x = 63,528.70 × 20,246.04
  4. Step 4: Simplify right side
    42,417.08x = 1,286,204,601.35
  5. Step 5: Solve for x
    x = 1,286,204,601.35/42,417.08
  6. Step 6: Final answer
    x = 30,322.80

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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.