Home / 56,831.34-85,187.55-19,378.29

Finding the Fourth Proportional to 56,831.34, 85,187.55 and 19,378.29

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Solution

The fourth proportional to 56,831.34, 85,187.55 and 19,378.29 is: 29,047.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,831.34 : 85,187.55 = 19,378.29 : x
  2. Step 2: Convert to fraction form
    56,831.34/85,187.55 = 19,378.29/x
  3. Step 3: Cross multiply
    56,831.34x = 85,187.55 × 19,378.29
  4. Step 4: Simplify right side
    56,831.34x = 1,650,789,048.29
  5. Step 5: Solve for x
    x = 1,650,789,048.29/56,831.34
  6. Step 6: Final answer
    x = 29,047.16

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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.