Home / 76,607.61-114,911.04-19,681.47

Finding the Fourth Proportional to 76,607.61, 114,911.04 and 19,681.47

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Solution

The fourth proportional to 76,607.61, 114,911.04 and 19,681.47 is: 29,522.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,607.61 : 114,911.04 = 19,681.47 : x
  2. Step 2: Convert to fraction form
    76,607.61/114,911.04 = 19,681.47/x
  3. Step 3: Cross multiply
    76,607.61x = 114,911.04 × 19,681.47
  4. Step 4: Simplify right side
    76,607.61x = 2,261,618,260.23
  5. Step 5: Solve for x
    x = 2,261,618,260.23/76,607.61
  6. Step 6: Final answer
    x = 29,522.11

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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.