Home / 30,587.84-45,807.60-15,555.41

Finding the Fourth Proportional to 30,587.84, 45,807.60 and 15,555.41

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Solution

The fourth proportional to 30,587.84, 45,807.60 and 15,555.41 is: 23,295.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,587.84 : 45,807.60 = 15,555.41 : x
  2. Step 2: Convert to fraction form
    30,587.84/45,807.60 = 15,555.41/x
  3. Step 3: Cross multiply
    30,587.84x = 45,807.60 × 15,555.41
  4. Step 4: Simplify right side
    30,587.84x = 712,555,999.12
  5. Step 5: Solve for x
    x = 712,555,999.12/30,587.84
  6. Step 6: Final answer
    x = 23,295.40

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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.