Home / 42,240.60-63,368.55-20,053.80

Finding the Fourth Proportional to 42,240.60, 63,368.55 and 20,053.80

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Solution

The fourth proportional to 42,240.60, 63,368.55 and 20,053.80 is: 30,084.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,240.60 : 63,368.55 = 20,053.80 : x
  2. Step 2: Convert to fraction form
    42,240.60/63,368.55 = 20,053.80/x
  3. Step 3: Cross multiply
    42,240.60x = 63,368.55 × 20,053.80
  4. Step 4: Simplify right side
    42,240.60x = 1,270,780,227.99
  5. Step 5: Solve for x
    x = 1,270,780,227.99/42,240.60
  6. Step 6: Final answer
    x = 30,084.33

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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.