Home / 56,424.69-84,641.48-18,984.47

Finding the Fourth Proportional to 56,424.69, 84,641.48 and 18,984.47

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Solution

The fourth proportional to 56,424.69, 84,641.48 and 18,984.47 is: 28,478.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,424.69 : 84,641.48 = 18,984.47 : x
  2. Step 2: Convert to fraction form
    56,424.69/84,641.48 = 18,984.47/x
  3. Step 3: Cross multiply
    56,424.69x = 84,641.48 × 18,984.47
  4. Step 4: Simplify right side
    56,424.69x = 1,606,873,119.69
  5. Step 5: Solve for x
    x = 1,606,873,119.69/56,424.69
  6. Step 6: Final answer
    x = 28,478.19

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1.5x scale

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.