Home / 45,980.64-63,429.46-30,877.58

Finding the Fourth Proportional to 45,980.64, 63,429.46 and 30,877.58

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Solution

The fourth proportional to 45,980.64, 63,429.46 and 30,877.58 is: 42,595.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,980.64 : 63,429.46 = 30,877.58 : x
  2. Step 2: Convert to fraction form
    45,980.64/63,429.46 = 30,877.58/x
  3. Step 3: Cross multiply
    45,980.64x = 63,429.46 × 30,877.58
  4. Step 4: Simplify right side
    45,980.64x = 1,958,548,306.89
  5. Step 5: Solve for x
    x = 1,958,548,306.89/45,980.64
  6. Step 6: Final answer
    x = 42,595.06

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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.