Home / 39,411.60-59,117.40-18,675.60

Finding the Fourth Proportional to 39,411.60, 59,117.40 and 18,675.60

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Solution

The fourth proportional to 39,411.60, 59,117.40 and 18,675.60 is: 28,013.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,411.60 : 59,117.40 = 18,675.60 : x
  2. Step 2: Convert to fraction form
    39,411.60/59,117.40 = 18,675.60/x
  3. Step 3: Cross multiply
    39,411.60x = 59,117.40 × 18,675.60
  4. Step 4: Simplify right side
    39,411.60x = 1,104,052,915.44
  5. Step 5: Solve for x
    x = 1,104,052,915.44/39,411.60
  6. Step 6: Final answer
    x = 28,013.40

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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.