Home / 55,515.31-76,615.54-35,381.23

Finding the Fourth Proportional to 55,515.31, 76,615.54 and 35,381.23

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Solution

The fourth proportional to 55,515.31, 76,615.54 and 35,381.23 is: 48,828.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,515.31 : 76,615.54 = 35,381.23 : x
  2. Step 2: Convert to fraction form
    55,515.31/76,615.54 = 35,381.23/x
  3. Step 3: Cross multiply
    55,515.31x = 76,615.54 × 35,381.23
  4. Step 4: Simplify right side
    55,515.31x = 2,710,751,762.32
  5. Step 5: Solve for x
    x = 2,710,751,762.32/55,515.31
  6. Step 6: Final answer
    x = 48,828.91

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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.