Home / 42,563.40-63,884.45-21,518.25

Finding the Fourth Proportional to 42,563.40, 63,884.45 and 21,518.25

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Solution

The fourth proportional to 42,563.40, 63,884.45 and 21,518.25 is: 32,297.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,563.40 : 63,884.45 = 21,518.25 : x
  2. Step 2: Convert to fraction form
    42,563.40/63,884.45 = 21,518.25/x
  3. Step 3: Cross multiply
    42,563.40x = 63,884.45 × 21,518.25
  4. Step 4: Simplify right side
    42,563.40x = 1,374,681,566.21
  5. Step 5: Solve for x
    x = 1,374,681,566.21/42,563.40
  6. Step 6: Final answer
    x = 32,297.27

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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.