Home / 48,169.10-72,256.50-18,587.09

Finding the Fourth Proportional to 48,169.10, 72,256.50 and 18,587.09

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Solution

The fourth proportional to 48,169.10, 72,256.50 and 18,587.09 is: 27,881.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,169.10 : 72,256.50 = 18,587.09 : x
  2. Step 2: Convert to fraction form
    48,169.10/72,256.50 = 18,587.09/x
  3. Step 3: Cross multiply
    48,169.10x = 72,256.50 × 18,587.09
  4. Step 4: Simplify right side
    48,169.10x = 1,343,038,068.59
  5. Step 5: Solve for x
    x = 1,343,038,068.59/48,169.10
  6. Step 6: Final answer
    x = 27,881.73

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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.