Home / 39,848.16-59,781.12-12,148.32

Finding the Fourth Proportional to 39,848.16, 59,781.12 and 12,148.32

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Solution

The fourth proportional to 39,848.16, 59,781.12 and 12,148.32 is: 18,225.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,848.16 : 59,781.12 = 12,148.32 : x
  2. Step 2: Convert to fraction form
    39,848.16/59,781.12 = 12,148.32/x
  3. Step 3: Cross multiply
    39,848.16x = 59,781.12 × 12,148.32
  4. Step 4: Simplify right side
    39,848.16x = 726,240,175.72
  5. Step 5: Solve for x
    x = 726,240,175.72/39,848.16
  6. Step 6: Final answer
    x = 18,225.19

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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.