Home / 55,294.12-76,281.80-35,140.20

Finding the Fourth Proportional to 55,294.12, 76,281.80 and 35,140.20

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Solution

The fourth proportional to 55,294.12, 76,281.80 and 35,140.20 is: 48,478.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,294.12 : 76,281.80 = 35,140.20 : x
  2. Step 2: Convert to fraction form
    55,294.12/76,281.80 = 35,140.20/x
  3. Step 3: Cross multiply
    55,294.12x = 76,281.80 × 35,140.20
  4. Step 4: Simplify right side
    55,294.12x = 2,680,557,708.36
  5. Step 5: Solve for x
    x = 2,680,557,708.36/55,294.12
  6. Step 6: Final answer
    x = 48,478.17

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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.