Home / 42,154.80-63,263.38-19,968.23

Finding the Fourth Proportional to 42,154.80, 63,263.38 and 19,968.23

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Solution

The fourth proportional to 42,154.80, 63,263.38 and 19,968.23 is: 29,967.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,154.80 : 63,263.38 = 19,968.23 : x
  2. Step 2: Convert to fraction form
    42,154.80/63,263.38 = 19,968.23/x
  3. Step 3: Cross multiply
    42,154.80x = 63,263.38 × 19,968.23
  4. Step 4: Simplify right side
    42,154.80x = 1,263,257,722.42
  5. Step 5: Solve for x
    x = 1,263,257,722.42/42,154.80
  6. Step 6: Final answer
    x = 29,967.11

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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.