Home / 82,962.90-124,444.80-20,633.40

Finding the Fourth Proportional to 82,962.90, 124,444.80 and 20,633.40

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Solution

The fourth proportional to 82,962.90, 124,444.80 and 20,633.40 is: 30,950.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,962.90 : 124,444.80 = 20,633.40 : x
  2. Step 2: Convert to fraction form
    82,962.90/124,444.80 = 20,633.40/x
  3. Step 3: Cross multiply
    82,962.90x = 124,444.80 × 20,633.40
  4. Step 4: Simplify right side
    82,962.90x = 2,567,719,336.32
  5. Step 5: Solve for x
    x = 2,567,719,336.32/82,962.90
  6. Step 6: Final answer
    x = 30,950.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.