Home / 47,138.47-70,707.52-19,058.19

Finding the Fourth Proportional to 47,138.47, 70,707.52 and 19,058.19

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Solution

The fourth proportional to 47,138.47, 70,707.52 and 19,058.19 is: 28,587.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,138.47 : 70,707.52 = 19,058.19 : x
  2. Step 2: Convert to fraction form
    47,138.47/70,707.52 = 19,058.19/x
  3. Step 3: Cross multiply
    47,138.47x = 70,707.52 × 19,058.19
  4. Step 4: Simplify right side
    47,138.47x = 1,347,557,082.46
  5. Step 5: Solve for x
    x = 1,347,557,082.46/47,138.47
  6. Step 6: Final answer
    x = 28,587.21

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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.