Home / 49,538.04-74,307.06-21,435.12

Finding the Fourth Proportional to 49,538.04, 74,307.06 and 21,435.12

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Solution

The fourth proportional to 49,538.04, 74,307.06 and 21,435.12 is: 32,152.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,538.04 : 74,307.06 = 21,435.12 : x
  2. Step 2: Convert to fraction form
    49,538.04/74,307.06 = 21,435.12/x
  3. Step 3: Cross multiply
    49,538.04x = 74,307.06 × 21,435.12
  4. Step 4: Simplify right side
    49,538.04x = 1,592,780,747.95
  5. Step 5: Solve for x
    x = 1,592,780,747.95/49,538.04
  6. Step 6: Final answer
    x = 32,152.68

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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.