Home / 51,345.23-70,849.41-28,681.34

Finding the Fourth Proportional to 51,345.23, 70,849.41 and 28,681.34

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Solution

The fourth proportional to 51,345.23, 70,849.41 and 28,681.34 is: 39,576.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,345.23 : 70,849.41 = 28,681.34 : x
  2. Step 2: Convert to fraction form
    51,345.23/70,849.41 = 28,681.34/x
  3. Step 3: Cross multiply
    51,345.23x = 70,849.41 × 28,681.34
  4. Step 4: Simplify right side
    51,345.23x = 2,032,055,662.76
  5. Step 5: Solve for x
    x = 2,032,055,662.76/51,345.23
  6. Step 6: Final answer
    x = 39,576.33

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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.