Home / 55,569.32-76,685.04-30,075.12

Finding the Fourth Proportional to 55,569.32, 76,685.04 and 30,075.12

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Solution

The fourth proportional to 55,569.32, 76,685.04 and 30,075.12 is: 41,503.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,569.32 : 76,685.04 = 30,075.12 : x
  2. Step 2: Convert to fraction form
    55,569.32/76,685.04 = 30,075.12/x
  3. Step 3: Cross multiply
    55,569.32x = 76,685.04 × 30,075.12
  4. Step 4: Simplify right side
    55,569.32x = 2,306,311,780.20
  5. Step 5: Solve for x
    x = 2,306,311,780.20/55,569.32
  6. Step 6: Final answer
    x = 41,503.33

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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.