Home / 39,622.96-59,420.28-18,559.40

Finding the Fourth Proportional to 39,622.96, 59,420.28 and 18,559.40

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Solution

The fourth proportional to 39,622.96, 59,420.28 and 18,559.40 is: 27,832.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,622.96 : 59,420.28 = 18,559.40 : x
  2. Step 2: Convert to fraction form
    39,622.96/59,420.28 = 18,559.40/x
  3. Step 3: Cross multiply
    39,622.96x = 59,420.28 × 18,559.40
  4. Step 4: Simplify right side
    39,622.96x = 1,102,804,744.63
  5. Step 5: Solve for x
    x = 1,102,804,744.63/39,622.96
  6. Step 6: Final answer
    x = 27,832.47

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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.