Home / 51,031.62-70,458-45,637.32

Finding the Fourth Proportional to 51,031.62, 70,458 and 45,637.32

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Solution

The fourth proportional to 51,031.62, 70,458 and 45,637.32 is: 63,010.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,031.62 : 70,458 = 45,637.32 : x
  2. Step 2: Convert to fraction form
    51,031.62/70,458 = 45,637.32/x
  3. Step 3: Cross multiply
    51,031.62x = 70,458 × 45,637.32
  4. Step 4: Simplify right side
    51,031.62x = 3,215,514,292.56
  5. Step 5: Solve for x
    x = 3,215,514,292.56/51,031.62
  6. Step 6: Final answer
    x = 63,010.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.