Home / 39,585.40-59,295.30-18,543.40

Finding the Fourth Proportional to 39,585.40, 59,295.30 and 18,543.40

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Solution

The fourth proportional to 39,585.40, 59,295.30 and 18,543.40 is: 27,776.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,585.40 : 59,295.30 = 18,543.40 : x
  2. Step 2: Convert to fraction form
    39,585.40/59,295.30 = 18,543.40/x
  3. Step 3: Cross multiply
    39,585.40x = 59,295.30 × 18,543.40
  4. Step 4: Simplify right side
    39,585.40x = 1,099,536,466.02
  5. Step 5: Solve for x
    x = 1,099,536,466.02/39,585.40
  6. Step 6: Final answer
    x = 27,776.31

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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.