Home / 47,977.53-66,220.86-32,689.36

Finding the Fourth Proportional to 47,977.53, 66,220.86 and 32,689.36

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Solution

The fourth proportional to 47,977.53, 66,220.86 and 32,689.36 is: 45,119.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,977.53 : 66,220.86 = 32,689.36 : x
  2. Step 2: Convert to fraction form
    47,977.53/66,220.86 = 32,689.36/x
  3. Step 3: Cross multiply
    47,977.53x = 66,220.86 × 32,689.36
  4. Step 4: Simplify right side
    47,977.53x = 2,164,717,368.60
  5. Step 5: Solve for x
    x = 2,164,717,368.60/47,977.53
  6. Step 6: Final answer
    x = 45,119.40

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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.