Home / 47,058.68-70,572.36-18,971.48

Finding the Fourth Proportional to 47,058.68, 70,572.36 and 18,971.48

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Solution

The fourth proportional to 47,058.68, 70,572.36 and 18,971.48 is: 28,450.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,058.68 : 70,572.36 = 18,971.48 : x
  2. Step 2: Convert to fraction form
    47,058.68/70,572.36 = 18,971.48/x
  3. Step 3: Cross multiply
    47,058.68x = 70,572.36 × 18,971.48
  4. Step 4: Simplify right side
    47,058.68x = 1,338,862,116.29
  5. Step 5: Solve for x
    x = 1,338,862,116.29/47,058.68
  6. Step 6: Final answer
    x = 28,450.91

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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.