Home / 51,026.31-70,410.80-28,366.28

Finding the Fourth Proportional to 51,026.31, 70,410.80 and 28,366.28

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Solution

The fourth proportional to 51,026.31, 70,410.80 and 28,366.28 is: 39,142.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,026.31 : 70,410.80 = 28,366.28 : x
  2. Step 2: Convert to fraction form
    51,026.31/70,410.80 = 28,366.28/x
  3. Step 3: Cross multiply
    51,026.31x = 70,410.80 × 28,366.28
  4. Step 4: Simplify right side
    51,026.31x = 1,997,291,973.94
  5. Step 5: Solve for x
    x = 1,997,291,973.94/51,026.31
  6. Step 6: Final answer
    x = 39,142.39

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1.5x scale

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.