Home / 47,129.28-70,703.28-17,547.36

Finding the Fourth Proportional to 47,129.28, 70,703.28 and 17,547.36

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Solution

The fourth proportional to 47,129.28, 70,703.28 and 17,547.36 is: 26,324.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,129.28 : 70,703.28 = 17,547.36 : x
  2. Step 2: Convert to fraction form
    47,129.28/70,703.28 = 17,547.36/x
  3. Step 3: Cross multiply
    47,129.28x = 70,703.28 × 17,547.36
  4. Step 4: Simplify right side
    47,129.28x = 1,240,655,907.34
  5. Step 5: Solve for x
    x = 1,240,655,907.34/47,129.28
  6. Step 6: Final answer
    x = 26,324.52

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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.