Home / 48,158.10-72,240.78-13,098.06

Finding the Fourth Proportional to 48,158.10, 72,240.78 and 13,098.06

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Solution

The fourth proportional to 48,158.10, 72,240.78 and 13,098.06 is: 19,648.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,158.10 : 72,240.78 = 13,098.06 : x
  2. Step 2: Convert to fraction form
    48,158.10/72,240.78 = 13,098.06/x
  3. Step 3: Cross multiply
    48,158.10x = 72,240.78 × 13,098.06
  4. Step 4: Simplify right side
    48,158.10x = 946,214,070.89
  5. Step 5: Solve for x
    x = 946,214,070.89/48,158.10
  6. Step 6: Final answer
    x = 19,648.08

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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.