Home / 56,168.04-77,511.84-31,017.48

Finding the Fourth Proportional to 56,168.04, 77,511.84 and 31,017.48

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Solution

The fourth proportional to 56,168.04, 77,511.84 and 31,017.48 is: 42,804.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,168.04 : 77,511.84 = 31,017.48 : x
  2. Step 2: Convert to fraction form
    56,168.04/77,511.84 = 31,017.48/x
  3. Step 3: Cross multiply
    56,168.04x = 77,511.84 × 31,017.48
  4. Step 4: Simplify right side
    56,168.04x = 2,404,221,946.96
  5. Step 5: Solve for x
    x = 2,404,221,946.96/56,168.04
  6. Step 6: Final answer
    x = 42,804.09

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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.