Home / 55,463.09-76,539.06-30,312.59

Finding the Fourth Proportional to 55,463.09, 76,539.06 and 30,312.59

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Solution

The fourth proportional to 55,463.09, 76,539.06 and 30,312.59 is: 41,831.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,463.09 : 76,539.06 = 30,312.59 : x
  2. Step 2: Convert to fraction form
    55,463.09/76,539.06 = 30,312.59/x
  3. Step 3: Cross multiply
    55,463.09x = 76,539.06 × 30,312.59
  4. Step 4: Simplify right side
    55,463.09x = 2,320,096,762.07
  5. Step 5: Solve for x
    x = 2,320,096,762.07/55,463.09
  6. Step 6: Final answer
    x = 41,831.37

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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.