Home / 42,187.24-63,290.46-22,455.40

Finding the Fourth Proportional to 42,187.24, 63,290.46 and 22,455.40

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Solution

The fourth proportional to 42,187.24, 63,290.46 and 22,455.40 is: 33,688.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,187.24 : 63,290.46 = 22,455.40 : x
  2. Step 2: Convert to fraction form
    42,187.24/63,290.46 = 22,455.40/x
  3. Step 3: Cross multiply
    42,187.24x = 63,290.46 × 22,455.40
  4. Step 4: Simplify right side
    42,187.24x = 1,421,212,595.48
  5. Step 5: Solve for x
    x = 1,421,212,595.48/42,187.24
  6. Step 6: Final answer
    x = 33,688.21

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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.