Home / 42,595.20-63,870.60-15,919.26

Finding the Fourth Proportional to 42,595.20, 63,870.60 and 15,919.26

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Solution

The fourth proportional to 42,595.20, 63,870.60 and 15,919.26 is: 23,870.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,595.20 : 63,870.60 = 15,919.26 : x
  2. Step 2: Convert to fraction form
    42,595.20/63,870.60 = 15,919.26/x
  3. Step 3: Cross multiply
    42,595.20x = 63,870.60 × 15,919.26
  4. Step 4: Simplify right side
    42,595.20x = 1,016,772,687.76
  5. Step 5: Solve for x
    x = 1,016,772,687.76/42,595.20
  6. Step 6: Final answer
    x = 23,870.59

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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.