Home / 42,623.48-63,907.54-17,656.76

Finding the Fourth Proportional to 42,623.48, 63,907.54 and 17,656.76

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Solution

The fourth proportional to 42,623.48, 63,907.54 and 17,656.76 is: 26,473.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,623.48 : 63,907.54 = 17,656.76 : x
  2. Step 2: Convert to fraction form
    42,623.48/63,907.54 = 17,656.76/x
  3. Step 3: Cross multiply
    42,623.48x = 63,907.54 × 17,656.76
  4. Step 4: Simplify right side
    42,623.48x = 1,128,400,095.97
  5. Step 5: Solve for x
    x = 1,128,400,095.97/42,623.48
  6. Step 6: Final answer
    x = 26,473.67

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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.