Home / 42,364.46-63,535.55-20,133.60

Finding the Fourth Proportional to 42,364.46, 63,535.55 and 20,133.60

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Solution

The fourth proportional to 42,364.46, 63,535.55 and 20,133.60 is: 30,195.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,364.46 : 63,535.55 = 20,133.60 : x
  2. Step 2: Convert to fraction form
    42,364.46/63,535.55 = 20,133.60/x
  3. Step 3: Cross multiply
    42,364.46x = 63,535.55 × 20,133.60
  4. Step 4: Simplify right side
    42,364.46x = 1,279,199,248.81
  5. Step 5: Solve for x
    x = 1,279,199,248.81/42,364.46
  6. Step 6: Final answer
    x = 30,195.11

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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.