Home / 42,445.60-63,538.80-33,114.40

Finding the Fourth Proportional to 42,445.60, 63,538.80 and 33,114.40

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Solution

The fourth proportional to 42,445.60, 63,538.80 and 33,114.40 is: 49,570.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,445.60 : 63,538.80 = 33,114.40 : x
  2. Step 2: Convert to fraction form
    42,445.60/63,538.80 = 33,114.40/x
  3. Step 3: Cross multiply
    42,445.60x = 63,538.80 × 33,114.40
  4. Step 4: Simplify right side
    42,445.60x = 2,104,049,238.72
  5. Step 5: Solve for x
    x = 2,104,049,238.72/42,445.60
  6. Step 6: Final answer
    x = 49,570.49

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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.