Home / 56,169.04-77,513.22-31,018.48

Finding the Fourth Proportional to 56,169.04, 77,513.22 and 31,018.48

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Solution

The fourth proportional to 56,169.04, 77,513.22 and 31,018.48 is: 42,805.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,169.04 : 77,513.22 = 31,018.48 : x
  2. Step 2: Convert to fraction form
    56,169.04/77,513.22 = 31,018.48/x
  3. Step 3: Cross multiply
    56,169.04x = 77,513.22 × 31,018.48
  4. Step 4: Simplify right side
    56,169.04x = 2,404,342,264.31
  5. Step 5: Solve for x
    x = 2,404,342,264.31/56,169.04
  6. Step 6: Final answer
    x = 42,805.47

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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.