Home / 42,076.06-63,125.93-12,495.06

Finding the Fourth Proportional to 42,076.06, 63,125.93 and 12,495.06

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Solution

The fourth proportional to 42,076.06, 63,125.93 and 12,495.06 is: 18,746.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,076.06 : 63,125.93 = 12,495.06 : x
  2. Step 2: Convert to fraction form
    42,076.06/63,125.93 = 12,495.06/x
  3. Step 3: Cross multiply
    42,076.06x = 63,125.93 × 12,495.06
  4. Step 4: Simplify right side
    42,076.06x = 788,762,314.14
  5. Step 5: Solve for x
    x = 788,762,314.14/42,076.06
  6. Step 6: Final answer
    x = 18,746.11

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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.