Home / 43,251.47-59,649.76-28,138.63

Finding the Fourth Proportional to 43,251.47, 59,649.76 and 28,138.63

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Solution

The fourth proportional to 43,251.47, 59,649.76 and 28,138.63 is: 38,807.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,251.47 : 59,649.76 = 28,138.63 : x
  2. Step 2: Convert to fraction form
    43,251.47/59,649.76 = 28,138.63/x
  3. Step 3: Cross multiply
    43,251.47x = 59,649.76 × 28,138.63
  4. Step 4: Simplify right side
    43,251.47x = 1,678,462,412.28
  5. Step 5: Solve for x
    x = 1,678,462,412.28/43,251.47
  6. Step 6: Final answer
    x = 38,807.06

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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.