Home / 56,852.38-78,456.36-31,358.17

Finding the Fourth Proportional to 56,852.38, 78,456.36 and 31,358.17

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Solution

The fourth proportional to 56,852.38, 78,456.36 and 31,358.17 is: 43,274.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,852.38 : 78,456.36 = 31,358.17 : x
  2. Step 2: Convert to fraction form
    56,852.38/78,456.36 = 31,358.17/x
  3. Step 3: Cross multiply
    56,852.38x = 78,456.36 × 31,358.17
  4. Step 4: Simplify right side
    56,852.38x = 2,460,247,874.46
  5. Step 5: Solve for x
    x = 2,460,247,874.46/56,852.38
  6. Step 6: Final answer
    x = 43,274.32

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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.