Home / 46,889.68-70,326.56-20,587.36

Finding the Fourth Proportional to 46,889.68, 70,326.56 and 20,587.36

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Solution

The fourth proportional to 46,889.68, 70,326.56 and 20,587.36 is: 30,877.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,889.68 : 70,326.56 = 20,587.36 : x
  2. Step 2: Convert to fraction form
    46,889.68/70,326.56 = 20,587.36/x
  3. Step 3: Cross multiply
    46,889.68x = 70,326.56 × 20,587.36
  4. Step 4: Simplify right side
    46,889.68x = 1,447,838,208.28
  5. Step 5: Solve for x
    x = 1,447,838,208.28/46,889.68
  6. Step 6: Final answer
    x = 30,877.55

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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.